Govinda Rao, N. S. <br/><br/>
Design of siphons/ 
N. S. Govinda Rao. 
 - New Delhi :  Order of the Board,  1957. 
 - 121, viii p. :  ill. ;  24 cm. 
<br/><br/> Publication no.59 
<br/><br/><label>Dewey Class. No.: </label>627.8[1]