000 003470000a22001450004500
008 140223b1982 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH23 M2
082 _aH23 M2
100 _aCollinson (J D)
700 _aThompson (D B)
245 _aSedimentary structures
260 _aLondon
_bAllen
_c1982
650 _aPetrology
999 _c31891
_d31891