Lawrence, D. A. <br/><br/>
Myiasis (screw-worm) in cattle in S. Rhodesia /    
D. A. Lawrence an d A. Cuthbertson. 
 - Salisbury :   Art Printing Works,   1934. 
 - 8 p. :    plates ;    25 cm. 
 - Bulletin ;   no. 921 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Myiasis ----Rhodesia, Southern.----<br/>Flies ----Rhodesia, Southern.----<br/>Ticks ----Rhodesia, Southern.----