TY  - BOOK
ED  - American Chemical Society. Chemical Abstracts Service.
TI  - Chemical abstracts : : 1999 : Key to the world's chemical literature 
SN  - 0009-2258
CY  - [Columbus, Ohio, etc.]
PB  - American Chemical Society.
KW  - ქიმია
KW  - პერიოდიკა
ER  -