00405nam a22001577a 4500 3891 3891 200706b ||||| |||| 00| 0 eng d 540 D979 3209 Dutt, P. K. A text book of Intermediate chemistry 7th ed. Culcutta Science book agency 1959 vii,660p. 8.00 Chemistry BK 0 0 ddc 0 540_000000000000000_D979 0 11180 CL CL 1962-03-03 Allied publishers 540 D979 02676 2020-07-06 BK