TY  - BOOK
AU  - Parkinson, D.
AU  - Gray, T.R.G
AU  - Williams, S.T.
TI  - Methods for studying the ecology of soil micro-organisms
T2  - IBH Handbook No. 19
SN  - 0632082607
U1  - 576 
PY  - 1971///
CY  - Oxford
PB  - Blackwell Scientific Publications
ER  -