1. 234U238U in coastal marine waters and calcium carbonates;Blanchard;J. Geophys. Res.,1965
2. The 234U238U ratio in some sedimen- tary minerals;Chalov;Geochemistry,1959
3. The isotopic ratio 234U238U in natural waters and use of it in the nuclear geochronology;Chalov;Geokhimiya,1964
4. Tr. III, Sessil Komissi po, Opredeleniyn abslyntnogo Voziasta: Izd. Akad. Nauk USSR, Moscow;Cherdyntsev,1955
5. Isotopic composition of uranium and thorium in the zone of hypergenesis;Cherdyntsev;Geokhimiya,1964