1
Published: 1940
Superior document: Verhandelingen der Koninklijke Nederlandse Akademie van Wetenschappen, Afdeeling Natuurkunde : Reeks 2, Biologie, Geneeskunde 39,2
2
Published: [2016]
Superior document: Title is part of eBook package: De Gruyter University of Pennsylvania Press Package Archive 1898-1999
Links: Get full text; Get full text; Cover