00350nam a2200109Ia 4500008004100000082001700041100001900058245004000077260005000117300001600167490005700183260325b        |||||||| |||| 00| 0 eng d  a514bF334.TG  aFenn, Roger A.  aTechniques of geometric topologyb/  aCambridge:bCambridge University Press,c1983  a280p. Index  aLondon Mathematical Society lecture note seriesv 57