00504 a2200169 4500 OSt 20231123132754.0 231123b |||||||| |||| 00| 0 eng d 9788123919065 oclc 547.30858 DEW/O Dewan, S K 9935 Organic Spectroscopy ( NMR/IR,mass and UV ) / Dr S K Dewan New Delhi: CBS Publisher, 2017. 662p ddc BK 547.30858 DEW/O 547.30858 DEW/O 0 0 ddc 0 0 CHEMISTRY MES MES CHE 2023-11-23 5 4 547.30858 DEW/O 43736 2025-12-09 14:19:31 2025-12-09 795.00 2023-11-23 BK GL29R3 41884 41884