Saxena, R.S. <br/><br/>
Information retrieval techniques and reference  sources and tools in pure and applied sciences 
<label>/ by </label> Saxena, R.S. 
 - Agra  Y.K.Publishers  1987 
 - 144p.  22cm. 
<br/><br/>L 
<br/><br/><label>ISBN: </label>8185070083 
<br/><br/><label>Dewey Class. No.: </label>025.06  / S