Gopala Pillai P,  <br/><br/>
Harichandran 

 - Kottayam  NATIONAL BOOKSTALL  1900 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural science & mathematics--Generalia--Chemistry & allied scienceInorganic chemistry
<br/><br/><label>Dewey Class. No.: </label>546  / GOP-H