TY  - BOOK
AU  - N. Walker
TI  - Soil Microbiology
SN  - 0-408-70670-8
U1  - 631.46 
PY  - 1975///
CY  - London
PB  - Butterworths
N1  - N. Walker: Soil Microbiology.  London.  Butterworths, 1975. 0-408-70670-8--(631.46WAL)
ER  -