@book{9d5b1f6b62c04f848164109af0f8912a,
title = "The natural control of apple - grass aphid, Rhopalosiphum insertum, with remarks on the control of apple aphids in the Netherlands in general",
keywords = "insecten, plantenplagen, appels, malus, nederland, insects, plant pests, apples, malus, netherlands",
author = "H.H. Evenhuis",
note = "Overdr.: Netherlands journal of plant pathology, 74(1968), 106-117",
year = "1968",
language = "English",
series = "Mededeling / Instituut voor plantenziektenkundig onderzoek",
number = "no. 483",
}