. . . "Astronome. - En poste : Department of physics, Montana state university-Bozeman (en 2000)"@fr . . . "0000000079990713" . . . . . . . "P. C. H." . "Astronome. - En poste : Department of physics, Montana state university-Bozeman (en 2000)" . . . "Martens" . . "14618609"^^ . "Astronome. - En poste : Department of physics, Montana state university-Bozeman (en 2000)" . "VIAF" . "2013-08-03" . . . . "P. C. H. Martens"@fr . "2005-04-07" . "2013-08-02"^^ . "P. C. H. Martens" . . .