Biological exposure values for occupational toxicants and carcinogens  critical data evalution for bat and eka values 
edited by Helmut Greim and Gerhard Lehnert 
 - Weinheim  VCH Verlagsgesellschaft  1995 
 - xxiii, 221 p. : ill. ; 24 cm. 
<br/><br/> at head of title page: Deutsche Forschungsgemeinschaft  compiled by the Working Group Setting of Threshold Limit Values in Biological Material of the Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area. 
<br/><br/><label>ISBN: </label>3527270345  RM342.54 
<br/><br/><label>LCCN: </label>94-041515 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Threshold limit values (Industrial toxicology)--Germany