Publication
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Changes in abundance and distribution of dragonflies (Odonata) in the Netherlands during this century Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 47-53.January 1981 -
Einige Angaben ueber die Verbreitung nicht-parasitaerer Megachilidae (Hym., Apidae) in den Niederlanden Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 55-58.January 1981 -
The distribution of Helophorus species in the Netherlands (Coleoptera: Hydrophilidae) Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 59-66.January 1981 -
Some preliminary notes on the distribution patterns of Ephemeroptera in the Netherlands Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 67-71.January 1981 -
Mestkevers (Coleoptera: Scarabaeoidea): verspreiding en oecologie in Nederland Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 81-88.January 1981 -
The distribution and ecology of ground water and rheophilous freshwater triclads (Platyhelminthes, Turbellaria) in the Netherlands Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 89-98.January 1981 -
The distribution of four species of the genus Anasimyia in the Netherlands (Diptera, Syrphidae) Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 99-102.January 1981 -
U.T.M. grid in the Netherlands Article
Nieuwsbrief EIS Kenniscentrum Insecten en andere ongewervelden, 103-103.January 1981