On the applicability of low-dimensional models for convective flow reversals at extreme Prandtl numbersManu Mannattil, Ambrish Pandey, Mahendra K. Verma and Sagar ChakrabortyEur. Phys. J. B, 90 12 (2017) 259DOI: https://doi.org/10.1140/epjb/e2017-80391-1