TEMPERATURE OF A HEATED THIN METAL FILM IN LIQUID 4He AT 0.1 K FOR LARGE VALUES OF ENERGY FLUX E.E. Nothdurft and K. Luszczynski J. Phys. Colloques, 39 C6 (1978) C6-252-C6-253 DOI: 10.1051/jphyscol:19786111