Encyclopaedia of ecology, environment and pollution control
574.52603
S573E
Swarup, R (Ed.)
 Encyclopaedia of ecology, environment and pollution control environmental pollution analysis \ R Swarup - New Delhi : Mittal, 1992.
 v.19 (v, 299p)   ISBN: 81-7099-360-181-7099-380-6 (v.19)
132291
  Subjects: Ecology-Encyclopaedias; Nature and nuture-Encyclopaedias; Pollution control-Encyclopaedias.

