Sybil P.Parker <br/><br/>
Mcgraw hill encylopedia of science and technology vol 1 

 -  Mcgraw hill book company new york  1982 
 - 927 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science-Dictionaries
<br/><br/><label>Dewey Class. No.: </label>503.21  / PAR