TY  - BOOK
AU  - Craig,P.J., x
AU  - x
TI  - The national enviornment 7 the biogeochemical cycles: x
SN  - x
U1  - 574.5222/NAT 
PY  - 1980///
CY  - N.Y.
PB  - Springer
KW  - Marine ecology
KW  - Bieochemistry
ER  -