by Cregan, R. F., Mangan, B. J., Knight, J. C., Birks, T. A., P. St. J. Russell, Roberts, P. J., Allan, D. C.
Published in Science (American Association for the Advancement of Science) (03.09.1999)

by Knight, J.C., Birks, T.A., Cregan, R.F., Russell, P.St.J., de Sandro, J.-P.
Published in Optical materials (1999)

by Wyatt, AF, Tucker, MA, Cregan, RF
Published in Physical review letters (26.06.1995)

by Russell, Philip St, Birks, Tim A., Knight, Jonathan C., Cregan, Robert F., Mangan, Brian J., Sandro, Jean-Philippe De
Published in Japanese Journal of Applied Physics (01.01.1998)

by Russell, P.S.J, Knight, J.C, Birks, T.A, Cregan, R.F, Mangan, B.J, de Sandro, J.-P
Published in 11th International Conference on Integrated Optics and Optical Fibre Communications. 23rd European Conference on Optical Communications IOOC-ECOC97 (1997)