TY  - BOOK
AU  - Parkinson D.
AU  -  Gray T.R.G.  Williams S.T.
TI  - Methods for Studying the Ecology of Soil Micro-Organisms
SN  - 0-632-08260-7
U1  - 631.46 
PY  - 1971///
CY  - London
PB  - International Biological  Programme
N1  - Parkinson D.; Gray T.R.G. & Williams S.T.: Methods for Studying the Ecology of Soil Micro-Organisms.  London.  International Biological  Programme, 1971. 0-632-08260-7--(631.46PAR)
ER  -