000 00298nam a2200121Ia 4500
008 211224s9999 xx 000 0 und d
020 _a9780521436694
082 _a510 CAM
245 0 _aAbout turn
260 _aCambridge:
_bCambridge Univeristy Press,
_c1993
300 _a8 p. : ill
650 _aMaths
999 _c9239
_d9239