TY  - RPRT
TI  - Volume-rendering representations of ab initio electron densities.
AU  - L A Covick
AU  - K M Sando
PY  - 1993
DO  - 10.1016/0263-7855(93)85005-b
UR  - https://pubmed.ncbi.nlm.nih.gov/8499395/
ID  - 8499395
ER  -