"10.3189/172756409787769744" . "Geodetic and direct mass-balance measurements: comparison and joint analysis"^^ . . "50" . "96-100" . "2009"^^ . "10.3189/172756409787769744" . . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . . . . .