[Robert Wiesmann-Strehler, M.D., died on the January 22, 1972].
D004772:Entomology / Q000266:history; D005860:Germany, West; D049673:History, 20th Century; D007306:Insecticides / Q000266:history
D007306:Insecticides
Dr. Robert Wiesmann-Strehler zemrel 22. ledna 1972.