TY - BOOK AU - Servant,Jean TI - Atmospheric trace elements from natural and industrial sources SN - 090591824X PY - 1982/// CY - Chelsea College, University of London, London, PB - Monitoring and Assessment Research Centre KW - Air KW - Pollution N1 - Prepared by Monitoring and Assessment Research Centre, Chelsea College, University of London with the support of United Nations Environment Programme; references p. 34-37 ER -