000 00376nas a2200133 a 4500
008 170703d19691969enkq||p#r||||#00|#||eng#d
003 AR-SmCIES
222 0 _aIon exchange survey
245 0 0 _aIon exchange survey
260 _aLondon :
_bPERMUTIT CO. LTD.,
310 _aTrimestral
653 _aFISICO QUIMICA
999 _c13413
_d13413