Leeches (Hirudinea) their structure, physiology, ecology and embryology /
by K. H. Mann ; With an appendix on the systematics of marine leeches, by E. W. Knight-Jones
- London : Pergamon Press, 1962
- 201 p. : ill. ; 23 cm.
- International series of monographs on pure and applied biology. Division, Zoology ; v. 11 .