Non-Linear Effects During Vortex Motion in Superconducting Films of Nd1.85Ce0.15CuOx Doettinger, S. G. ; Anders, S. ; Huebener, R. P. ; Haensel, H. ; Ovchinnikov, Yu. N. Abstract Publication: EPL (Europhysics Letters) Pub Date: June 1995 DOI: 10.1209/0295-5075/30/9/008 Bibcode: 1995EL.....30..549D