TY  - BOOK
AU  - Kirk,Raymond E.
AU  - Othmer,Donald F.
AU  - Mark,H.F.
AU  - Standen,Anthony
TI  - Kirk-Othmer encyclopedia of chemical technology. Vol. 20 : : Tetracyclines to unsaturated polyesters / 
SN  - 0471484490
AV  - TP9 .E685
U1  - 660.3 
PY  - 1969///
CY  - New York
PB  - Interscience Publishers
KW  - Chemistry, Technical
KW  - Dictionaries
KW  - ქიმია
KW  - ქიმიის ლექსიკონი
N1  - At head of title: Kirk-Othmer; Includes bibliographies
ER  -