TY - BOOK ED - International Symposium on Isotope Techniques in the Study of Past and Current Environmental Changes in the Hydrosphere and the Atmosphere ED - International Atomic Energy Agency. TI - Isotope techniques in the study of environmental change: proceedings of an International Symposium on Isotope Techniques in the Study of Past and Current Environmental Changes in the Hydrosphere and the Atmosphere T2 - Proceedings series, SN - 9201005989 AV - QC798.A1 I53 1997 PY - 1998/// CY - Vienna PB - The Agency KW - Radioisotopes in research KW - Congresses KW - Air KW - Pollution KW - Research KW - Radioactive tracers in water pollution research KW - Water N1 - Includes bibliographical references and indexes ER -