TY  - BOOK
AU  - Gray,T.R.G.
AU  - Williams,S.T.
TI  - Soil micro-organisms
SN  - 0582441609
U1  - 631.46 22
PY  - 1971///
CY  - London, New York
PB  - Longman
KW  - Soil microbiology
KW  - Soil science
N1  - Include bibliographical references and index

ER  -