Monitoring environmental materials and specimen banking :  Proceedings of the International Workshop, Berlin (West), 23-28 October 1978 / 
edited by N. -P. Luepke 
 - The Hague :  Martinus Nijhoff,  1979 
 - xiii, 591 p. ;  25 cm. 
<br/><br/>References 
<br/><br/><label>ISBN: </label>9024723035