Abstracts of urban forestry research in progress, 1979 /Publisher: Broomall, Pa. : Northeastern Forest Experiment Station, Forest Service, U.S. Department of Agriculture,
Date: [1980] This title can be found in 1 Iowa libraries.
Technology transfer and the diffusion of innovations : a working bibliography with annotations /Author: Orr, James F.
Publisher: Monticello, Ill. : Vance Bibliographies,
Date: 1979. This title can be found in 1 Iowa libraries.
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