TY  - BOOK
AU  - Chemical Abstracts Service, Ohio
TI  - Chimical abstracts: index guide 1990. parts2
T2  - Americal Chemical Society
PY  - 1990///
CY  - Ohio
PB  - ACS
N1  - Part 1:A-M; Part2:N-Z: ISSN 0009-2258
ER  -