Hillman Jonathan Algebraic invariants of links (e-Book) by Jonathan Hillman - 2nd ed. - World scientific 2012 - 372p. http://www.worldscientific.com/worldscibooks/10.1142/8493#t=toc ISBN: 9789814407397 Dewey Class. No.: 514.224 / P125 (e-Books)(MA)