00624nam a22002177a 4500 20170124110023.0 A-382027 00.00 A-382027 Cen Lib/Ret DPL EN 500 SAL Salwi, Dilip M. 21734 More science teasers / by Dilip M. Salwi Delhi Konark Pulishers Pvt. Ltd. 1989 A-149, Main Vikas Marg Delhi 110092 xiv,121p. : 21cm(Hb) ill. Science- 10795 Science--Study and teaching 4704 ddc EN 500 SAL 127338 127338 4 0 0 0 L L 2015-06-29 Cen Lib/Ret 0.00 0 500 SAL A-382027 2015-06-29 00:00:00 1 0.00 2015-06-29 EN Written off on approval by DLB (By Circulation); dtd 15-06-2023 4 0 0 0 L L 2015-06-29 Cen Lib/Ret 0.00 0 500 SAL A-540766 2015-06-29 00:00:00 1 0.00 2015-06-29 EN Written off on approval by DLB (By Circulation); dtd 15-06-2023