000			00274nam a2200097Ia 4500
008			120223s9999 xx 000 0 und d
082			_a615.78 DUN
100			_a.
245			_aSmoking behavior : motives and incentives.
260			_bD.C.,V.H.Winston. _aWashington. _c1973
999			_c144780 _d144780