000 003360000a22001450004500
245 _aPresentations of groups
100 _aJohnson, D.L.
260 _aCambridge
_bC.U.P.
_c1976
300 _a204 p.
440 _aLondon mathematical society notes series
440 _aNo.22
080 _a519.4
_bJ6
041 _aEN
942 _cBK
999 _c101271
_d101271