de Haas-van Alphen studies of the organic superconductors {alpha]-(ET){sub 2}(NH{sub 4})Hg(SCN){sub 4} and {kappa}-(ET){sub 2}Cu(NCS){sub 2} [with ET = bis(ethelenedithio)-tetrathiafulvalene].

Wosnitza, Joachim; Crabtree, George; Wang, Hsien-Hau; Geiser, Urs; Carlson, K.; Williams, J