Biologie 1972-48(14)_1-16.pdf
Bulletin of the Royal Belgian Institute of Natural Sciences - Biology / 48 - 1972 Van Goethem J. 1972.
Contribution à l’étude de Boettgerilla vermiformis Wiktor, 1959 (Mollusca Pulmonata).
biologie-1972-48-14-_1-16.pdf
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