Insects Affecting Livestock : with special Reference to Important species Occurring in Australia /
Roberts, F H S.
Insects Affecting Livestock : with special Reference to Important species Occurring in Australia / - London : Angus and Robertson , 1952 - 267p :
Parasitology
Insects Affecting Livestock : with special Reference to Important species Occurring in Australia / - London : Angus and Robertson , 1952 - 267p :
Parasitology