TY - BOOK AU - Rankama, Kalervo TI - Isotope geology U1 - 551.9 21st ed. PY - 1954/// CY - London PB - Pergamon Press KW - Geochemistry KW - Isotopes-geology KW - Mineral chemistry KW - Radioisotopes geology N1 - Contents: Pt.1. Physics and chemistry of nuclides - Pt.2. Natural science of nuclides ER -