Dittmer, Howard J. The efficiency of monocotyledon roots in soil conservation.--Martin, G.W. Additional Myxomycetes from Panama.--Wittlake, E.B. Hymenial organization of Sebecina calcea.--Anderson, W.A. Studies of evaporation: I. Evaporation from an eastward facing slope.
Series:
University of Iowa studies in natural history ; v. 17, no. 8
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