Murasugi, Kunio (1958), "On the genus of the alternating knot. I, II", Journal of the Mathematical Society of Japan, 10: 94–105, 235–248, doi:10.2969/jmsj/01010094, MR0099664
Murasugi, Kunio (1963), "On a certain subgroup of the group of an alternating link", American Journal of Mathematics, 85: 544–550, doi:10.2307/2373107, MR0157375
Gabai, David (1983), "The Murasugi sum is a natural geometric operation", Low-dimensional topology (San Francisco, Calif., 1981), Contemporary Mathematics, vol. 20, American Mathematical Society, pp. 131–143, doi:10.1090/conm/020/718138, ISBN0-8218-5016-4, MR0718138
Murasugi, Kunio (1958), "On the genus of the alternating knot. I, II", Journal of the Mathematical Society of Japan, 10: 94–105, 235–248, doi:10.2969/jmsj/01010094, MR0099664
Murasugi, Kunio (1963), "On a certain subgroup of the group of an alternating link", American Journal of Mathematics, 85: 544–550, doi:10.2307/2373107, MR0157375
Gabai, David (1983), "The Murasugi sum is a natural geometric operation", Low-dimensional topology (San Francisco, Calif., 1981), Contemporary Mathematics, vol. 20, American Mathematical Society, pp. 131–143, doi:10.1090/conm/020/718138, ISBN0-8218-5016-4, MR0718138