TY  - BOOK
AU  - Shera, J.H., [et al], ed.
TI  - Advances in documentation and lib.sc.; v.1: Progress reports in chemical literature retrieval
T2  - Advances in documentation and library science
U1  - 029.7 
PY  - 1957///
CY  - New-York
PB  - Interscience publishers
ER  -