@article{PPN555509575+dmdlog21,
     title = {Sedecimum Problema. Initia duodecim domorum coeli secundum reliquum modum extremum, in regione qualibet latitudinem 60. graduum mom extendente, breuiter constituere.},
     booktitle = {Regiomontani Tabvla Sinvvm, per singula minuta extensa, vniuersam sphaericorum triangulorum scientiam complectens [1]},
     series = {GDML\_Books},
     publisher = {Welack},
     address = {Witebergae},
     year = {1584},
     pages = {11},
     url = {http://dml.mathdoc.fr/item/PPN555509575+dmdlog21}
}