WEBER Cornelius I. books & textbook
Methods of collection and analysis of plankton and periphyton samples in the water pollution surveillance system.
US, 1974 /1974-01-01 Paperback
Short-term Methods for Estimating the Chronic Toxicity of Effluents and Receiving Waters to Marine and Estuarine Organisms
U.S. Environmental Protection Agency /1988-01-01 Paperback
Biological Field and Laboratory Methods for Measuring the Quality of Surface Waters and Effluents
U. S. Department Of Agriculture /1973T Paperback / 180 Pages
A guide to the common diatoms at water pollution surveillance system stations
1971T Unknown Binding