Nayak, U.B. <br/><br/>
Studies in the flotation of quartz, pyrolusite, haematite, calcite and garnet and benefications of low ...batteries /(by) U.B. Nayak.   
by U.B. Nayak. 
 -  I.I.Science  1963 
<br/><br/><label>Dewey Class. No.: </label>549.68  / N63