BESEZvR (Albert François Henri). Die Verbreitung und Regulierung der Diprion pini-Ka1mitit in den Niederlanclen in den abren 1938-1941, etc. [With a bibliography and a sunmsry in Dutch. Doctoral - dissertation submitted to the University of Utrecht.J pp. (8) + 106 + vi. Illus— tration, maps, diagrams, charts and tables. g0 Wageningen, 1942’.

Author

R, Albert François Henri

Language

en

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Drawer

BES - BET