by Russel, P.S.J., Birks, T.A.
Published in Journal of lightwave technology (01.11.1999)

by Holzwarch, R., Reichert, J., Udem, T., Hansch, T.W., Knight, J.C., Wadsworth, W.J., Russel, P.S.J.
Published in Conference on Lasers and Electro-Optics (CLEO 2000). Technical Digest. Postconference Edition. TOPS Vol.39 (IEEE Cat. No.00CH37088) (2000)

by Brusch, A., Kolker, D.B., Zondy, J.-J., Acef, O., Wallerand, J.P., Knight, J.C., Russel, P.S.J., Wadsworth, W.J., Courtillot, I., Quessada, A., Santarelli, G., Clairon, A., Lemonde, P., Rovera, G.D.
Published in 2004 Conference on Precision Electromagnetic Measurements (01.06.2004)