JABBO OLTMANS: Conspectus longitudinum et latitudinum geographicarum, per decursum annorum 1799 ad 1804 in plaga aequinoetiali ab ALEX. DE HUMBOLDT astronomice observatarum, calculo subjecit. Paris u. Tübingen
Astronomische Abhandlungen Bd. 6, GDML_Books, (1874), p. 509 / Harvested from
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@article{PPN236007467+dmdlog242,
     title = {JABBO OLTMANS: Conspectus longitudinum et latitudinum geographicarum, per decursum annorum 1799 ad 1804 in plaga aequinoetiali ab ALEX. DE HUMBOLDT astronomice observatarum, calculo subjecit. Paris u. T\"ubingen},
     booktitle = {Astronomische Abhandlungen Bd. 6},
     series = {GDML\_Books},
     year = {1874},
     pages = {509},
     url = {http://dml.mathdoc.fr/item/PPN236007467+dmdlog242}
}

 (éd.). JABBO OLTMANS: Conspectus longitudinum et latitudinum geographicarum, per decursum annorum 1799 ad 1804 in plaga aequinoetiali ab ALEX. DE HUMBOLDT astronomice observatarum, calculo subjecit. Paris u. Tübingen, dans Astronomische Abhandlungen Bd. 6, GDML_Books,  (1874), p. 509. http://gdmltest.u-ga.fr/item/PPN236007467+dmdlog242/