TY - BOOK AU - Clark, Ian AU - Fritz, Peter TI - Environmental isotopes in hydrogeology SN - 9781566702492 U1 - 551.48 PY - 1997/// CY - Boca Raton PB - Crc Press KW - Radioactive tracers in hydrogeology KW - Hidrogeologia KW - Geoquimica isotopica ER -