000			00329nam a2200145Ia 4500
008			240618s9999||||xx |||||||||||||| ||und||
020			_aNCST
040			_aMAIN
082			_a317
100			_aBOUND VOLUME _937040
245		0	_aCOMMUNICATIONS OF THE ACM, VOL.24(1-6),1981
250			_a1
260			_bACM _c1981
942			_cBK
999			_c43892 _d43892