00270nam a2200121Ia 45000010005000000080041000050820026000461000018000722450016000902600013001069010012001199990017001311034241024s9999    xx            000 0 und d  a[*SIN CLASIFICACION*]  a[*SIN AUTOR*] 0aEduFísica  bISFODOSU  a9/14/12  c11891d11891