00255nam a2200109Ia 4500 190829s9999||||xx |||||||||||||| ||und|| Parameswaran, S Trigonometry Viswvasthan Madras 1965 Trigonometry BK 410 410 0 0 0 0 MAT GBCTL GBCTL WSGF3 2020-10-19 LOCATION D 516.24 PAR/T 2489 ARC 0 0 0 0 MAT GBCTL GBCTL RS10 2020-09-07 516.24 PAR/T C1215 BK 0 0 0 0 GBCTL GBCTL WSGF2 2020-10-21 LOCATION B 516.24 PAR/T 2490 ARC