000			00432nam a2200181Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c285
040			_aMAIN
041			_aEnglish
082			_a005.4 _bBEC
100			_aBeck, Leland L.
245			_aSystem software: an introduction to systems programming
250			_a3rd ed.
260			_bPearson Education _c1997
300			_a519p.
650			_aCOMPUTER
942			_cGB
999			_c2038 _d2038