Constraints and restraints in refinement
                        
                        
                            Prince, E., 
Finger, L. W. and 
Konnert, J. H., 
                        
                        
                                        
                                            International Tables for Crystallography
                                         (2006). 
                                         
                                            Vol. C,
                                            
                                                            
                                                                        ch. 8.3,
                                                            
                                                            
                                                                pp. 694-701
                                                                        
                                            
                                        
                        
                        
[ doi:10.1107/97809553602060000611 ]
                        oscillations of molecules. Acta Cryst.     14, 896–897. Google Scholar 
 
       
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       Gill, P. E., Murray ...
                            
                            
                            
                            
                    
                        
                            Lagrange undetermined multipliers
                        
                        
                            Prince, E., 
Finger, L. W. and 
Konnert, J. H., 
                        
                        
                                        
                                            International Tables for Crystallography
                                         (2006). 
                                         
                                            Vol. C,
                                            
                                                            
                                                                Section 8.3.1.1,
                                                                    
                                                            
                                                                pp. 693-693
                                                                        
                                            
                                        
                        
                        
[ doi:10.1107/97809553602060000611 ]
                         (1981).   Practical optimization.   New York: Academic Press. Google Scholar 
 
       Ralph, R. L. & 
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W. (1982).   A computer program for refinement of crystal orientation matrix and lattice constants from diffractometer data with lattice ...
                            
                                
     [
more
                                    results from section 8.3.1 in volume C]
                            
                            
                            
                            
                    
                        
                            Stereochemically restrained least-squares refinement
                        
                        
                            Prince, E., 
Finger, L. W. and 
Konnert, J. H., 
                        
                        
                                        
                                            International Tables for Crystallography
                                         (2006). 
                                         
                                            Vol. C,
                                            
                                                            
                                                                Section 8.3.2,
                                                                    
                                                            
                                                                pp. 698-701
                                                                        
                                            
                                        
                        
                        
[ doi:10.1107/97809553602060000611 ]
                        
                            
                                     [
more
                                    results from section 8.3.2 in volume C]