- A.C.H. Ling and C.J. Colbourn, Rosa triple systems, in:
Geometry,
Combinatorial Designs and Related Structures (J.W.P. Hirschfeld, S.S.
Magliveras, M.J. de Resmini; editors) Cambridge University Press,
1997, pp.
149-159.
- F. Bennett, H.-D.O.F. Gronau, A.C.H. Ling and R.C. Mullin,
PBD-closure, in CRC Handbook of Combinatorial Designs (C.J.
Colbourn and J.H. Dinitz, eds.), Boca Raton, 1996, pp. 203-213.
Alan Chi Hung Ling
2001-11-05