000			00329nam a2200121Ia 4500
001			23743
008			170722s9999 xx 000 0 und d
100			_aStrahler, Arthur N. And
245			_aEnvironmental geoscience : _bInteraction between natural systems and man /
260			_c1973
700			_aStrahler, Alan H.
942			_cGEN
999			_c6721 _d6721