TY  - BOOK
AU  - Colombo,Umberto
AU  - Hobson,George Douglas
ED  - Geochemical Society. 
TI  - Advances in organic geochemistry; proceedings of the international m eeting in Milan, 1962 / 
U1  - 551.9082 
PY  - 1964///
CY  - London: 
PB  - Pergamon Press , 
KW  - Geochemistry
KW  - Addresses, essays, lectures
N1  -  Includes bibliographical references
ER  -