TY  - BOOK
AU  - Postma H
AU  -  Zijlstra J J
TI  - Continental shelves
T2  - Ecosystems of the World ,27
U1  - U25:(G:5), M8 
PY  - 1988///
CY  - Amsterdam
PB  - Elsevier          
KW  - Oceanography
N1  - Bibliography chapterwise
ER  -