TY  - BOOK
ED  - American Geological Institute.
ED  - Geological Society of America.
TI  - Bibliography and index of geology
SN  - 0098-2784
AV  - Z6031 .G4
U1  - 016.55 
CY  - [Alexandria, Va., etc.]
PB  - American Geological Institute [etc.]
KW  - Geology
KW  - Bibliography
KW  - Periodicals
KW  - Indexes
KW  - Aardwetenschappen
KW  - gtt
N1  - Also issued online
ER  -