@book{607a4993d8034527a702de708dfc9a79,
title = "Chronic discoloration of leaf tips of gladiolus and its relation to the hydrogen fluoride content of the air and the fluorine content of the leaves; Method for determining the susceptibility of trees to air pollution by artificial fumigation",
keywords = "bloembollen, oogstschade, luchtverontreiniging, gladiolus, ornamental bulbs, crop damage, air pollution, gladiolus",
author = "F.H.F.G. Spierings",
note = "Overdr. Netherlands journal of plant pathology 73(1967)25-28. Atmospheric environment 1(1967)205-210",
year = "1967",
language = "English",
series = "Mededelingen / Instituut voor plantenziektenkundig onderzoek, Wageningen",
number = "no. 438-439",
}