John, K K <br/><br/>
P D C Physics 

 - KOTTAYAM  V.Publishers  1977 
 - 120p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Physics
<br/><br/><label>Dewey Class. No.: </label>530  / JOH-P