Biological monitoring methods for industrial chemicals por Baselt, Randall C. (Randall Clint) 1944-

Basic concepts in water pollution control and overview of water pollution control methods por Uriarte, Filemon A. Jr

Pollution charges in practice.

Philippine environment 1979 third annual report.

Energy and environment in East Africa proceedings of an international workshop

Aquatic toxicology proceedings of the third annual symposium on aquatic toxicology

Table of contents only

Principles of genetic toxicology por Brusick, David

The economics of pollution control in the non-ferrous metals industry por Atkins, M.H

Primer on pollution.

Readings in environment, 1979-80.