00365nam a2200157Ia 4500008004100000020000900041035001000050082001500060100001900075245004700094250000600141260003700147300000800184500000900192650000600201210723s9999||||xx |||||||||||||| ||und||  aNULL  a23996  a533.2BWEL  aWells, Dare A. 0aTheory And Problems Of Lagrangian Dynamics  a-  aNew YorkbSchaums Outline Series  a353  a1554  a-