00512nam a22001817a 4500 160620 160620 20190213153533.0 ENG-124757 9789381930229 550.00 EN-108289 DBAD/PUB 509.2 Das, Ajay Great scientists of the world/ by Ajay Das Delhi Kartik Prakashan 2019 B-89, Gali No.9, West Karawal Nagar Delhi 110090 208p. 22cm(Hb) ddc EN 509.2 DAS 0 0 0 0 NFIC L L 2019-02-06 DBAD/PUB 550.00 0 509.2 DAS EN-108289 2019-02-06 00:00:00 1 550.00 EN