000			00354nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aSCIENTIFIC AMERICAN
245			_aMan and the ecosphere
260			_aSan Francisco
260			_bW H Freeman
260			_c1971
300			_a307 p.
942			_cBooks
999			_c10957 _d10957