Szymik, Markus (2019). "String bordism and chromatic characteristics". In Daniel G. Davis; Hans-Werner Henn; J. F. Jardine; Mark W. Johnson; Charles Rezk (eds.). Homotopy Theory: Tools and Applications. Contemporary Mathematics. Vol. 729. pp. 239–254. arXiv:1312.4658. doi:10.1090/conm/729/14698. ISBN9781470442446. S2CID56461325.
Szymik, Markus (2019). "String bordism and chromatic characteristics". In Daniel G. Davis; Hans-Werner Henn; J. F. Jardine; Mark W. Johnson; Charles Rezk (eds.). Homotopy Theory: Tools and Applications. Contemporary Mathematics. Vol. 729. pp. 239–254. arXiv:1312.4658. doi:10.1090/conm/729/14698. ISBN9781470442446. S2CID56461325.
Szymik, Markus (2019). "String bordism and chromatic characteristics". In Daniel G. Davis; Hans-Werner Henn; J. F. Jardine; Mark W. Johnson; Charles Rezk (eds.). Homotopy Theory: Tools and Applications. Contemporary Mathematics. Vol. 729. pp. 239–254. arXiv:1312.4658. doi:10.1090/conm/729/14698. ISBN9781470442446. S2CID56461325.