3 treff

McDonald Malcolm Edwin
Key to trematodes reported in waterfowl
McDonald, Malcolm Edwin
Bok Engelsk 1981
Annotated bibliography of helminths of waterfowl (Anatidae)
McDonald, Malcolm Edwin
Bok Engelsk 1969
Catalogue of helminths of waterfowl (Anatidae)
McDonald, Malcolm Edwin,
Bok Engelsk 1969