00308nam a22001097a 4500003000400000008004100004082001400045100002400059245005500083260005200138300000800190OSt240510b        |||||||| |||| 00| 0 eng d  a509bC32H  aChattopadhyaya, D.   aHistory of science and technology in ancient india  a Firma Kim, CalcuttabFirma Kim, Calcuttac1986  a556