TY  - BOOK
AU  - Gray, T.R.G
AU  - Williams, S.T
TI  - Soil Micro Organisms
SN  - 582441609
U1  - 631.46 
PY  - 1971///
CY  - London
PB  - Longman
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soil microbiology
ER  -