000			00316nam a2200121Ia 4500
005			20251007104333.0
008			251006s9999 xx 000 0 und d
100			_aparsons,henry mcilvaine.
245		0	_aman-machine system experiments.
260			_a1st ed. | Baltimore john hopkins.
260			_c1972
942			_cBOK
999			_c5071 _d5071