000			00685nam a2200205Ia 4500
008			170503s9999||||xx |||||||||||||| ||und||
080			_a550.4
100	1		_aPOMMER, Alfred M.
245		0	_aRelation between dual acidity and structure of H-Montmorillonite / _cby Alfred M. Pommer.
260			_aWashington : _bUnited States Government Printing Office, _c1963
300			_a23 p. --
336			_2isbdcontent _aTexto (visual)
337			_2isbdmedia _3Impreso _asin mediación
490			_aGeological Survey Professional Paper
490			_v 386-C
650			_aGeoquímica
942			_2cdu
942			_cBK
999			_c19710 _d19710