Allen, David F. <br/><br/>
Crack :  the broken promise / 
David F. Allen and James F. Jekel 
 - Houndmills :  MacMillan,  1991 
 - 115 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0333499719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crack (Drug)<br/>Cocaine<br/>Drug abuse