Zhang, Shunong. <br/><br/>
Yun qu gong cheng / 
Zhang Shunong bian zhu ; Gu Yaoxun jiao ding. 
 - Shanghai :  Zhongguo ke xue tu shu i qi gong si,  1952. 
 - 231 p. :  ill. ;  18 cm. 
<br/><br/> At head of title: Zhuan ke xue xiao yong shu. 
<br/><br/><label>LCCN: </label>c  64001973  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canals.
<br/><br/><label>LC Class. No.: </label>TC745  / .C45