000			00295nam a2200121Ia 4500
001			26863
008			170722s9999 xx 000 0 und d
100			_aFoster, Albert B.
245			_aApproved practies in soil conservation Ed. 3. 1965 /
250			_a3rd ed.
260			_c1965.
942			_cGEN
999			_c71717 _d71717