A Characterization of Acyclic Switching Classes of Graphs Using Forbidden Subgraphs.

Jurriaan Hage Tero Harju A Characterization of Acyclic Switching Classes of Graphs Using Forbidden Subgraphs. 159-176 2004 18 SIAM J. Discrete Math. 1 http://dx.doi.org/10.1137/S0895480100381890 db/journals/siamdm/siamdm18.html#HageH04