Author: Boonstra, A.E.H.R.
Title: Physiologisch onderzoek ten dienste van de plantveredeling.
Description: Wageningen. H.Veenman & Zn. 1934. 8°. 99pp. Or.wrappers. Diss./Thesis.Bibliogr. Ilustr.

Keywords: Botany, Botanik, Botanic, Agriculture, Cultivating, Horticulture, Natural History, Landwirtschaft,