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 Results for DC.creator="D." AND DC.creator="M." AND DC.creator="Blow" in section 13.1.2 of volume F
Exploitation of noncrystallographic symmetry
Blow, D. M.  International Tables for Crystallography (2012). Vol. F, Section 13.1.2.3, p. 333 [ doi:10.1107/97809553602060000839 ]
Exploitation of noncrystallographic symmetry 13.1.2.3. Exploitation of noncrystallographic symmetry In order to draw structural information from noncrystallographic symmetry, the different classes of subunit must provide different information. Cases of pseudo-crystallographic symmetry, where subunits are almost in an arrangement of higher crystallographic symmetry, are difficult to exploit by the techniques discussed ...

Generalized noncrystallographic symmetry
Blow, D. M.  International Tables for Crystallography (2012). Vol. F, Section 13.1.2.2, p. 333 [ doi:10.1107/97809553602060000839 ]
Generalized noncrystallographic symmetry 13.1.2.2. Generalized noncrystallographic symmetry Crystallographic methods similar to those which exploit standard noncrystallographic symmetry can often be applied to a more general situation, where similar subunits exist in different crystals (Scouloudi, 1969; Tollin, 1969) or where the structure of a subunit is already predictable (Hoppe, 1957; Lattman & Love ...

Standard noncrystallographic symmetry
Blow, D. M.  International Tables for Crystallography (2012). Vol. F, Section 13.1.2.1, p. 333 [ doi:10.1107/97809553602060000839 ]
... the operation required to superimpose one unit on another (Rossmann & Blow, 1962; Rossmann et al., 1964). When this has been ... is available to improve the accuracy of structural results (Rossmann & Blow, 1963). Table 13.1.2.1 presents different types of symmetry situations ... Crystals containing similar molecules, with other scattering material References Rossmann, M. G. & Blow, D. M. (1962). The detection of ...

Definition of noncrystallographic symmetry
Blow, D. M.  International Tables for Crystallography (2012). Vol. F, Section 13.1.2, p. 333 [ doi:10.1107/97809553602060000839 ]
... the operation required to superimpose one unit on another (Rossmann & Blow, 1962; Rossmann et al., 1964). When this has been ... is available to improve the accuracy of structural results (Rossmann & Blow, 1963). Table 13.1.2.1 presents different types of symmetry situations ... molecule in a crystal. Acta Cryst. B26, 1854-1857. Rossmann, M. G. & Blow, D. M. (1962). The detection of ...

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