TY  - BOOK
AU  - Cole,.J.A
TI  - Society for general microbiology: symposium (42nd: 1988): The nitrogen and sulphur cycles
SN  - 0521351995
AV  - AMU QH344.C6 
CY  - Cambridge
KW  - Nitrogen cycle
KW  - Sulphur
N1  - Includes bibliographical references
ER  -