000 00304nam a2200121Ia 4500
008 221001s1982 xx 000 0 eng d
020 _a0335120679
082 _a301.34 REV
245 0 _aRevision and overview
260 _aMilton Keynes
_bOpen University Press
_c1982
300 _a43p.
942 _2ddc
_cBK
999 _c47860
_d47860