Tatiana V. Alekseyevskaya Israel M. Gelfand Incidence matrices, geometrical bases, combinatorial prebases and matroids. 23-44 1998 180 Discrete Mathematics 1-3 http://dx.doi.org/10.1016/S0012-365X(97)00107-6 db/journals/dm/dm180.html#AlekseyevskayaG98