000			00267nam a2200097 4500
100			_aLondon:Longman
245			_aThe Quaternary Journal of Geol., vol.124, Nos.493-496 _cLondon:Longman
260			_aLondon:Longman _c1968
260			_aLondon:Longman _c1968
942			_cCR
999			_c335588 _d335588