> Verlagsreihe
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14:
Ecology and production of the profundal benthos in relation to phytoplankton in lake Esrom Pétur M. Jónasson
Copenhagen: Munksgaard, 1972
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13:
Phänomene der Tages- und Jahresperiodik in hohen nordischen Breiten = Diel and seasonal phenomena in high northern latitudes
Copenhagen: Munksgaard, 1970
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11:
Upland productivity of vegetation and sheep at Moor House National Nature Reserve, Westmorland, England M. Rawes and D. Welch
Copenhagen: Munksgaard, 1969