Collapse and large signal modelling of GaAs field effect transistors at 77 K J. Verdier, O. Llopis, J.M. Dienot, R. Plana, Ph. Andre and J. Graffeuil J. Phys. IV France, 04 C6 (1994) C6-165-C6-170 DOI: 10.1051/jp4:1994626