000			00335nam a2200145 4500
082			_a330.0212 PRI-Q
100			_aPritchard, J A T
245			_aQuantitative methods in on-line systems
250			_a
260			_aManchester _bNCC Publications _c1976
300			_a
490			_a
650			_aEconomic statistics
942			_cBK
999			_c591392 _d591392