TY  - GEN
AU  - Han,F
AU  - Langs,D A
TI  - Direct methods: the identification of space-group-specific inconsistent three-phase structure invariants
SN  - 0108-7673
PY  - 1990///0305
KW  - Crystallography
KW  - Mathematics
KW  - Molecular Structure
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1107/s010876738800306x
ER  -