Free excitons with n=2 in bulk GaN by Steube, M, Reimann, K, Frohlich, D, Clarke, S

Two-photon spectroscopy in GaN by Steube, M, Reimann, K, Frohlich, D, Clarke, S

Exciton binding energies and band gaps in GaN bulk crystals by Reimann, K, Steube, M, Frohlich, D, Clarke, S

Providing Advice Through Dialogue by Gilbert, N, Buckland, S, Frohlich, D, Jirotka, M, Luff, P