00290nam a2200121Ia 4500082001600000100002300016245001500039260004900054300001400103490004100117500000500158700000500163  a514bK21.OK  aKauffman, Louis H.  aOn knotsb  aNew JerseybPrinceton University Pressc1987  axv, 480p.  aAnnals of Mathematics studies v 115  a  a