Hao, L; Gallop, J C; Purnell, A*; Cohan, L* (2002) Intermodulation distortion in HTS thin films: a global heating model. Physica C, 372-37 (1). pp. 469-473.
Hao, L; Gallop, J C; Parnell, A*; Cohan, L*; Thiess, S* (2001) Non-linear microwave response og HTS thin films: a comparison of intermodulation and conventional measurements. IEEE Trans. Appl. Supercond., 11. pp. 3411-34114.