000 00409 a2200157 4500
020 _a0749221720
082 _a512.2
_bOPE
090 _c8012
_d11066
100 _aAsche, David
245 _aGroups & gemoetry
_bunit GE4
_b wallpaper patterns
260 _aMilton Keynes
_bThe Open University
_c1994
_g1994
300 _a64p.
_c31cm
650 _aGroups and group theory
700 _aHolroyd, Fred
942 _cL
999 _c36688
_d36688