00347nam a2200157Ia 4500008004100000020000900041035001000050082001400060100002200074245005700096250000600153260000900159300000900168500000600177650000600183210723s9999||||xx |||||||||||||| ||und||  aNULL  a23159  aNULLBCOO  aCooper,  Leon N. 0aIntroduction to the Meaning and Structure of Physics  a-  a-b-  aNULL  a0  a-