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Aggarwal B.K, . (1997). Introd to engg materials. : N Delhi Tatamcgrew hill pub.
Aggarwal B.K, . 1997. Introd to engg materials. : N Delhi Tatamcgrew hill pub.
Aggarwal B.K, . Introd to engg materials. : N Delhi Tatamcgrew hill pub. 1997.
