Yang, Gong. <br/><br/>
Nong xue he bian / 
Yang Gong bian. 
 - Beijing :  Zhonghua shu ju,  1956. 
 - 16, 390 p. ;  20 cm. 
<br/><br/><label>LCCN: </label>c  60005132  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture.
<br/><br/><label>LC Class. No.: </label>S517.C5  / Y3