000			00300nam a2200133Ia 4500
008			210901s1969 xx 000 0 eng d
082			_a330 PLU
100			_aPlummer, A.
245		0	_aExercises in economics
260			_aLondon _bSIR _c1969
300			_a80
650			_aEconomics
942			_2ddc _cBK
999			_c5044 _d5044