Micro-gravity: Superconducting coils for crystal growth. Influence of the levitation force on natural convection in the fluidL. Quettier, O. Vincent-Viry, A. Mailfert and F. P. JusterEur. Phys. J. AP, 22 1 (2003) 69-73DOI: https://doi.org/10.1051/epjap:2003017