000 003440000a22001330004500
008 140223b1968 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH2.331 K8
082 _aH2.331 K8
100 _aWorrall (W E)
245 _aClays their nature origin and general properties
260 _aLondon
_bMaclaren
_c1968
650 _aPetrology
999 _c31706
_d31706