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Economic effects of controls on nitrogen fertilizer
The use of electrical resistivity to determine porosity of marine sediments
Schools of forestry in Germany, with addenda relative to a desiderated British national school of forestry
Adaptive COPE annual report : October 1, 1990 - September 30, 1991
Bibliography on the effect of noise on non-human vertebrates : report to the Bureau of Land Management
The National Museum of Natural History : 75 years in the Natural History Building
Underwater nondestructive testing of concrete : an evaluation of technique
Bacteria
Audio-visuals relating to animal care, use, and welfare