nam a22 7a 4500 51501 51501 20190220110857.0 190220b xxu||||| |||| 00| 0 eng d INR 15.00 MAIN eng 551.7 WEL Weller, J. Marvin. Stratigraphic principles and practice / Delhi : Universal Book Stall, c1960. xvi, 725 p. illus. 24 cm. Harper's geoscience series Geology, Stratigraphic. BK 0 0 ddc 0 551_700000000000000_WEL 0 GLGY 62958 MAIN MAIN GEN 2018-05-03 Geology-12 Shelf 0 551.7 WEL 6228 2018-05-03 1 2018-05-03 BK 0 0 ddc 0 551_700000000000000_WEL 0 GLGY 62959 MAIN MAIN GEN 2018-05-03 Geology-12 Shelf 0 551.7 WEL 6229 2018-05-03 2 2018-05-03 BK