00511nam a22001937a 4500 84814 84814 NITIL 20201211161820.0 201211b ii ||||| |||| 00| 0 eng d Rs. NITIL NITIL 23rd ed. 553 N218M Narasayya, BL 1913 Mineral deposits A geo-chemical perspective B L Narasayya Visakhapatnam GSI 2019 132p. 23cm Energy 1914 B L Narasayya 1915 ddc BKS 0 0 ddc 0 0 NITIL NITIL 2020-12-11 0 553 N218M C-20482 2020-12-11 00:00:00 2020-12-11 BKS