000 00288nam a2200109 a 4500
008 960221s1955 dcuabcdjdbkoqu001 0deng d
020 _a088864289X
100 _aRiegel, Christian
245 _aChallenging Territory
260 _c1997
_aUniversity of Alberta ;Edmonton:
942 _2ddc
999 _c227375
_d227375