Survey of water supply resources of greater Calcutta 

 - Geneva  United Nations           1969 
 - ix, 51p  cm. 
<br/><br/> Appendix: 45-51p 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(D85).275.Nt4, K9 /UN