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2. , and , Abstracts Internat. Conf. Application of the Mössbauer Effect, India (Paper Mo-PI-IN-13, p. 75).
3. and , Abstracts Internat. Conf. Application of the Mössbauer Effect, India (Paper Mo-PI-IN-8, p. 70).
4. , , , and , Abstracts Internat. Conf. Application of the Mössbauer Effect, India (Paper Mo-PI-IN-18, p. 80).
5. , and , Annual DAE Nuclear Phys. Solid State Phys. Symp., IIT, New Delhi 1980 (Paper SCB 2).