1. Graph Theory with Applications;Bondy,1976
2. A reduction method to find spanning Eulerian subgraph;Catlin;J. Graph Theory,1988
3. P.A. Catlin, Edge-connectivity and edge-disjoint spanning trees, preprint, see: 〈http://www.math.wvu.edu/hjlai/Pdf/Catlin_Pdf/Catlin49a.pdf〉.
4. Graphs without spanning closed trails;Catlin;Discrete Math.,1996
5. Spanning trails jointing two given edges;Catlin,1991