Systems analysis in ecology by Watt, Kenneth E F

Direct generation of electricity by Spring, Kenneth H.

Hydrocarbon fuel cell technology by Baker, Bernard S.

Handbook of series for scientists and engineers by Mangulis, V.

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Principles of sensory evaluation of food by Amerine, Maynard Andrew 1911-

Thermobacteriology in food processing by Stumbo, Charles Raymond 1914-

Theory of categories by Mitchell, Barry

Advances in child development behavior by Lipsitt, Lewis P., Spiker, C. C.

The evolution of genetics by Ravin, Arnold W.

The control of fertility. by Pincus, Gregory 1903-1967