1
Actinides in the environment : American Chemical Society: centennial meeting : New-York, NY, 09.04.76.
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2
Natural radiation environment : Special symposium on natural radiation environment 0002: proceedings : Bombay, 19.01.81-23.01.81.
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3
Proceedings of the Workshop on the Migration of Long-lived Radionuclides in the Geosphere, Brussels, 29th-31 January, 1979 = : Compte rendu d' une reunion de travail sur la migration des radionucleides a vie longue dans la geosphere, Bruxelles, 29-31 Janvier, 1979 /
Book