000 00369 a2200145 4500
020 _a0749221593
082 _a512.2
_bOPE
090 _c8017
_d11074
100 _aHolroyd, Fred
245 _aGroups & gemoetry
_bunit IB1
_b tilings
260 _aMilton Keynes
_bThe Open University
_c1994
_g1994
300 _a67p.
_c31cm
650 _aGroups and group theory
942 _cL
999 _c36693
_d36693