The young specialist looks at pond-life /
Englehardt, Wolfgang.
The young specialist looks at pond-life / Pond-life tr. by Heather J. Fisher ; ed. and adapted by Roderick C. Fisher. - London : Burke Books, 1973.
Bibliography: p. 199.
Freshwater ecology.
The young specialist looks at pond-life / Pond-life tr. by Heather J. Fisher ; ed. and adapted by Roderick C. Fisher. - London : Burke Books, 1973.
Bibliography: p. 199.
Freshwater ecology.