000 00406nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510
_bAm512
100 _aFreedman M H
245 _aSurgery on codimension 2 submanifolds
260 _aN Y
_bAMS
_c1977
440 _aAmerican Mathematical Society: Memoirs, 191
650 _aMathematics
942 _cBK
999 _c2622
_d2622