TY  - RPRT
TI  - Molecular packing groups and ab initio crystal-structure prediction.
AU  - D Gao
AU  - DE Williams
PY  - 1999
DO  - 10.1107/s0108767398016134
UR  - https://pubmed.ncbi.nlm.nih.gov/10927272/
ID  - 10927272
ER  -