00386nam a2200145Ia 4500003000900000008004100009040001600050080001300066100002100079245005900100260003200159300001600191650001400207650001900221IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a531bBEC  aBecker, Robert A 0aIntroduction to theoretical mechanicscRobert A Becker  aNew YorkbMcGraw-Hillc1954  axiii, 420p.  aMechanics  aNASA thesaurus