Blackett, p. (1973). jawaharlal Nehru menorial lectures 1967-1972. Bharatiya vidya Bhavan.
Chicago-čujuhus (17. p.)Blackett, p. Jawaharlal Nehru Menorial Lectures 1967-1972. Bombay: Bharatiya vidya Bhavan, 1973.
MLA-čujuhus (9. p.)Blackett, p. Jawaharlal Nehru Menorial Lectures 1967-1972. Bharatiya vidya Bhavan, 1973.
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