Hickling, Charles Frederick <br/><br/>
The farming of fish / 
by C. F. Hickling 
 - Oxford :  Pergamon Press,  1968 
 - vii, 88 p. :  ill. ;  20 cm. 
<br/><br/>p. 85. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish culture