00372 a2200121 4500 64205 531.11WEL 37950 37950 Wells D.A Schaum's outline of lagrangian Dynamics Euler's equations of motion Mamilton's equations and hamilton's principles v 42v 44: 1st NY McGraw-Hill 1967 353 p NUST-CAE 531.11WEL 299278 299278 0 0 0 0 NFIC CAE CAE 2017-04-03 0 531.11WEL CAEG-5298 2017-04-05 2017-04-05 BK