Symposium on : Waste Disposal-The Challenge / 
[Organizado por] International Association of Environmental Coordinators. 
 - 111 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contaminación<br/>Productos tóxicos
<br/><br/><label>Universal Decimal Class. No.: </label>504.054(063)