000			00351nam a2200145Ia 4500
008			130223s9999 xx 000 0 und d
100			_aScurfield, G.
245			_aAir pollution and tree growth
260			_aFarnham Royal
260			_c1960
300			_a20 p.
440			_aCommonwealth Agricultural Bure
901			_pS2064
942			_cB _2udc
999			_c152267 _d152267