def referencealbedo_prospectparams():
    """
    Returns the PROSPECT parameters required for creating the  reference albedo
    based on Knyazikhin et al. (2013), PNAS, section "SI Text 4" (Supporting Information)
    all prospect versions in prospect have four positional arguments N,Cab,Cw,Cm

    :return: list of 4 values corresponding to the prospect positional parameters
    """
    return 1.2, 16, 0.005, 0.002
