TY - BOOK AU - Harrison,Roy M. TI - Understanding our environment: an introduction to environmental chemistry and pollution SN - 0851862330 AV - TD193 .Un2 1992 U1 - 628.5 20 PY - 1992/// CY - Cambridge PB - Royal Society of Chemistry KW - Environmental chemistry KW - Pollution N1 - Includes bibliographical references and index ER -