000			00340nam a2200157Ia 4500
008			131111s9999 xx 000 0 und d
100			_aGerrard, A J
245			_aMountain environments
260			_aNew Delhi
260			_bC.B.S.
260			_c1991
300			_a317p.
650			_aGeology _aGeography
763			_a668
942	0	0	_05
999			_c40118 _d40118