Hejda, Jan <br/><br/>
Drugs :  the social phenomenon of today / 
Jan Hejda, Vaclav Krajnik. 
 - Prague:   [s.n.],   2004.  
 - 163 p. :  map, tables ;  21 cm. 
 - The police academy of the Czech republic .
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>8072511564 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs<br/>Drugs abuse
<br/><br/><label>Dewey Class. No.: </label>362.29