Nelson CHEMISTRY/ 
Jekins,Frank,Hans Van Kessel,Dick Tompkins. 
 - Scarborough,Ontario,:  Nelson Canada,  c1993 
 - 576 p.:  ill.(some col.);  28 cm. 
<br/><br/><label>ISBN: </label>0176038639 
<br/><br/><label>LC Class. No.: </label>QD33  / .J46 1993