"11909" . "0000-0002-3423-4580" . "Stephen G."^^ . "Ungar"^^ . "https://science.gsfc.nasa.gov/sed/bio/stephen.g.ungar"^^ . . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid1 . _:genid2 . _:genid2 . _:genid2 . _:genid2 . _:genid2 .