GERLING: Methodi projectionis orthographicae usum ad calculos parallacticos facilitandos explicavit, simulque eclipsin solarem die VII. Sept. 1820. apparituram hoc modo tractatam mappaque geographica illustrata
Astronomische Abhandlungen Bd. 6, GDML_Books, (1874), p. 542 / Harvested from
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@article{PPN236007467+dmdlog261,
     title = {GERLING: Methodi projectionis orthographicae usum ad calculos parallacticos facilitandos explicavit, simulque eclipsin solarem die VII. Sept. 1820. apparituram hoc modo tractatam mappaque geographica illustrata},
     booktitle = {Astronomische Abhandlungen Bd. 6},
     series = {GDML\_Books},
     year = {1874},
     pages = {542},
     url = {http://dml.mathdoc.fr/item/PPN236007467+dmdlog261}
}

 (éd.). GERLING: Methodi projectionis orthographicae usum ad calculos parallacticos facilitandos explicavit, simulque eclipsin solarem die VII. Sept. 1820. apparituram hoc modo tractatam mappaque geographica illustrata, dans Astronomische Abhandlungen Bd. 6, GDML_Books,  (1874), p. 542. http://gdmltest.u-ga.fr/item/PPN236007467+dmdlog261/