TY - GENERIC DO - UR - http://dx.doi.org/ TI - Comments on "On a Continuum Model for Avalanche Flow and Its Simplified Variants"' by S. S. Grigorian and A. V. Ostroumov T2 - Preprints AU - Issler, Dieter PY - 2020 DA - 2020/02/06 PB - Preprints