000			00383nam a2200193Ia 4500
008			240530s9999 xx 000 0 und d
082			_a5.453
082			_bAPT
100			_aAPTECH
245		0	_aELEMENTS OF SYSTEM DESIGN
250			_n0
250			_n0
260			_bAPTECH
300			_a57
365			_b0
650			_aCOMPUTER
942			_cREF
950			_CCOMPUTER
999			_c191795 _d191795