THERMOLUMINESCENCE AND OPTICAL ABSORPTION OF X-RAY IRRADIATED NABRO₃SIVASANKAR VS; WHIPPEY PW.1979; PHYS. STATUS SOLIDI, A; DDR; DA. 1979; VOL. 54; NO 1; PP. 369-373; ABS. GER; BIBL. 15 REF.Article

OPTICAL PROPERTIES OF RARE EARTH IONS IN IONIC CRYSTALSRADHAKRISHNA S; SIVASANKAR VS.1978; CRYST. LATTICE DEFECTS; GBR; DA. 1978; VOL. 8; NO 1; PP. 27-54; BIBL. 150 REF.Article

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PRASEODYMIUM CENTERS IN CESIUM BROMIDE.RADHAKRISHNA S; SIVASANKAR VS.1977; J. CHEM. PHYS.; U.S.A.; DA. 1977; VOL. 66; NO 12; PP. 5645-5647; BIBL. 5 REF.Article

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F_A CENTERS IN CESIUM HALIDES.RADHAKRISHNA S; NIGAM NN; SIVASANKAR VS et al.1977; PHYS. REV., B; U.S.A.; DA. 1977; VOL. 15; NO 2; PP. 1187-1191; BIBL. 8 REF.Article

F_X CENTRES IN CESIUM HALIDESCHITRA SANKAR; SIVASANKAR VS; WHIPPEY PW et al.1979; PHYS. STATUS SOLIDI (A), APPL. RES.; ISSN 0031-8965; DDR; DA. 1979; VOL. 53; NO 1; PP. 383-390; ABS. GER; BIBL. 18 REF.Article

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