MPG.eBooks - Search Results - (("eredin" OR "serpin") OR ((("erein" OR "krein") OR ("erein" OR "krein")) OR "ered"))*

by Flint, M.L., van den Bosch, R.
Published 1981

Springer US

“... the primary means of control, with insecticides consid ered supplementary and to be used only when a measured...”