TY  - GEN
AU  - Woodward,F.I.and Sheehy,J.E.
AU  - Sheehy, J.E. and Woodward, F.I
TI  - Principles and measurements in environmental biology
SN  - 0408106379
PY  - 1983///
CY  - London
PB  - Butterworths
ER  -