TY  - GEN
AU  - Gray, T.R.G.
AU  - Williams, S.T.
TI  - Soil micro-organisms
SN  - 0-582-44160-9
U1  - 333.95 
PY  - 1971///
CY  - London
PB  - Longman
KW  - MICROBIOLOGY SOIL MICRO-ORGANISMS
ER  -