Acta
Acta Zoologica Fennica. 102-105. -- (1963-1964), 102: Studies on the dipterous Faunna in Burrows of Voles (Microtus, Clethrionomys) in Finland. 103: Über die Entstehung der Excitatoren und deren Bedeutung für die Evolution der Malachiidae (col.). 104: The internal Concentration in some hypotrichous Ciliates and its Dependence on the external Concentration. 105: An analysis of the spring Migration of the Common Scoter and the Long-tailed Duck in southern Finland. -- Helsinki : Societas pro Fauna et Flora Fennica, 1963-1964. -- 2 sv.
zoologie. odborné časopisy
59. (051)-027.561