SUPERFLUID MASS IN VERY THIN OF FILM HELIUM ADSORBED ON VYCOR GLASS E. N. Smith, D. J. Bishop, J. E. Berthold et J. D. ReppyJ. Phys. Colloques, 39 C6 (1978) C6-342-C6-343DOI: https://doi.org/10.1051/jphyscol:19786152