1. Nearly Kirkman triple systems;Baker;Utilitas Math.,1977
2. Two new nearly Kirkman triple systems;Brouwer;Utilitas Math.,1978
3. Triple systems;Colbourn,2007
4. Properties of the Steiner triple systems of order 19;Colbourn;Electron. J. Combin.,2010
5. Triple Systems;Colbourn,1999