TY  - BOOK
AU  - Hao Bilal U Ed.
TI  - Nannofossil biostratigraphy
T2  - Benchmark papers in geology; 78
U1  - H6, M4;1 
PY  - 1984///
CY  - Stroudsburg
PB  - Hutchinson ross publishing       
KW  -  Palaeontology
KW  - Geology
ER  -