Puchelt, Harald Anthropogenic contamination of soils by traffic emissions along heavily used highways - Cuernavaca Instituto Nacional de Geoquímica 1996 - pp. 317-318 - Actas INAGEQ . Subjects--Topical Terms: CONTAMINACION AMBIENTALCONTAMINACION DE SUELOSHUMOS Universal Decimal Class. No.: R/061.3:550.4(72)/C74|3