TY  - RPRT
TI  - On finding nonisomorphic connected subgraphs and distinct molecular substructures.
AU  - G Rücker
AU  - C Rücker
DO  - 10.1021/ci000092b
UR  - https://pubmed.ncbi.nlm.nih.gov/11277717/
ID  - 11277717
ER  -