000 00316nam a2200133Ia 4500
008 221001s1974 xx 000 0 eng d
020 _a0045190127
082 _a512.86 WAL
100 _aWallace, D. A. R.
245 0 _aGroups
260 _aLondon
_bGeorge Allen & Unwin
_c1974
300 _a104p.
942 _2ddc
_cBK
999 _c20299
_d20299