00353nam a2200145Ia 4500 230711s9999||||xx |||||||||||||| ||und|| ENG 540 FR-C P. S. Kalsi  Spectroscopy of organic compounds 1st . Ed. 1991 New Delhi Cengage Learning Chemistry BK 0 0 0 0 C MCL MCL 0000-00-00 1 540 FR-C 11083 2025-02-17 14:15:18 2025-01-29 2023-08-17 BK 2927 2927