TY  - BOOK
AU  - Parkinson, D., ed.
TI  - Methods for studying the ecology of soil micro-organisms
T2  - IBP Hand book; no.19
U1  - 631.461 L1 
PY  - 1971///
CY  - London
PB  - International Biological Programme
KW  -  D.Parkinson, T.R.G.Gray (and) S.T.Williams.
KW  - Gray, T.R.G., joint ed.
KW  - Williams, S.T., joint ed.
KW  - Soil ecology,Soil micro-organisms
ER  -