Piotrowski, J. K. <br/><br/>
Environmental hazards of heavy metals :  summary evaluation of lead, cadmium and mercury :  a general report (1980) / prepared by Global Environmental Monitoring System Programme Activity Centre, UNEP, Nairobi, and Monitoring and Assessment Research Centre, Chelsea College, University of London. 
by J.K. Piotrowski, D.O. Coleman ; 
 - [London :  Monitoring and Assessment Research Centre, University of London],  1980 
 - 42 p. 
 - MARC report ;  no. 20 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mercury--Environmental aspects.<br/>Lead--Environmental aspects.<br/>Cadmium--Environmental aspects.