1. Pashnev A., Toppan F.: On the classification of N-extended supersymmetric quantum mechanical systems. J. Math. Phys. 42, 5257 (2001) (hep-th/0010135)
2. Kuznetsova Z., Rojas M., Toppan F.: Classification of irreps and invariants of the N-extended supersymmetric quantum mechanics. JHEP 0603, 098 (2006) (hepth/0511274)
3. Doran, C.F., Faux, M.G., Gates, S.J. Jr., Hubsch, T., Iga, K.M., Landweber, G.D.: Off-shell supersymmetry and filtered clifford supermodules. (math-ph/0603012)
4. Doran, C.F., Faux, M.G., Gates, S.J., Jr., Hubsch, T., Iga, K.M., Landweber, G.D.: A Counter-example to a putative classification of 1-dimensional N-extended supermultiplets (hep-th/0611060)
5. Kuznetsova Z., Toppan F.: Refining the classification of the irreps of the 1D N-extended supersymmetry. Mod. Phys. Lett. A 23, 37 (2008) (hep-th/0701225)