Sehgal N.K. (HansRaj) Au.; Kapil P. N. Au.; Sarita Kumar Au.; Arora O. P. Ed. <br/><br/>
Visualised science and technology 
Sehgal N.K. (HansRaj) Au.; Kapil P. N. Au.; Sarita Kumar Au.; Arora O. P. Ed. 
 - New Delhi, India  Sultan Chand  2129 
 - 258p. 
<br/><br/><label>ISBN: </label>978-93-90455-60-7 
<br/><br/><label>Source: </label>TB 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Sciences