000 00297cam a22001217a 4500
008 180718b2005 xxu||||| |||| 00| 0 eng d
082 _aO9 A15
100 _aIPCS
245 _aBentonite, Kaolin and selected clay minrals
260 _aGeneva
_bWHO
_c2005
300 _a175p.
650 _aEnvironment
999 _c502425
_d502425