Michigan Quarterly Bulletin / Edited by V. R. Gardner and A. J. Patch - Michigan : State College Agricultural Experiment Station - 94-110 p. - 17; 3 february, may., August .

Encuadernado con: Report of progress For Year ending june 30, 1940 / University of Maine

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Cultivos -- EUA
Estaciones agrícolas experimentales

PA-C 633 B85