Gymer, Roger <br/><br/>
Chemistry in the natural world. 

 - Massachussets :  Heath,  1977. 
<br/><br/><label>ISBN: </label>0669003433 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química general
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>54