TY  - BOOK
AU  - Manskaya S M
AU  -  Drozdova T V
TI  - Geochemistry of organic substances
T2  - International series of monographs in earth sciences; 28
U1  - H:(E1:5), K8 
PY  - 1968///
KW  -  Geochemistry
KW  - Geology
ER  -