00364nam a2200157Ia 4500 2023 Ost 20260507154652.0 251113s9999||||xx |||||||||||||| ||eng|| nitttr eng 621.4025 G M Gupta, J. K. Mechanical engineering : (heat engines) / Gupta, J. K. BK 1920 1920 0 0 0 0 NITTTR NITTTR 2026-05-07 0 621.4025 G M 1815 2026-05-07 15:46:52 2026-05-07 BK