00342nam a2200157Ia 4500008004100000020000900041035001000050082001800060100001900078245005100097250000600148260000900154300000900163500000600172650000600178210723s9999||||xx |||||||||||||| ||und||  aNULL  a37759  a510.7834BTRO  aTropper, R. H. 0aProgramming In assembly Language On The IBM PC  a-  a-b-  aNULL  a0  a-