Ryder, M. L. <br/><br/>
Wool growth / 
M.L. Ryder, and S.K. Stephenson. 
 - London :  Academic Press,  1968. 
 - xviii, 805 p. :  ill., maps ;  23 cm. 
<br/><br/>Bibliography : p. 727-782. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wool--Growth.<br/>Sheep.