00310nam a2200157Ia 4500008004100000020000900041035001000050082001400060100001900074245002300093250000600116260000900122300000900131500000600140650000600146210723s9999||||xx |||||||||||||| ||und||  aNULL  a32537  aNULLBHOL  aHolemes, B. J. 0aPascal Programming  a-  a-b-  aNULL  a0  a-