Ritschel, W. A. <br/><br/>
Angewandte Biopharmazie / 
W. A. Ritschel 
 - [n.p]  Stuttgart,  1973. 
 - xix,637p. 
<br/><br/><label>ISBN: </label>3804704573 
<br/><br/><label>Dewey Class. No.: </label>615.7 RIT