00665nam a22002291 4500 sa 67006754 DLC 20260227112410.0 861022s1964 ii b 00010 eng sa 67006754 //r86 Rs5.70 PL480:I-E-8661 DLC/ICU ICU a-ii--- QD18.I3 R25 Rây, Priyadaranjan, 1888- Fifty years of science in India: progress of chemistry [by] P. Rây. Calcutta, Indian Science Congress Association, 1964. 296 p. 25 cm. Includes bibliographies. Chemistry History India. 76140 76140