@article{MOMA_1993__115_4_178603,
     author = {Wolfgang M. Schmidt},
     title = {Northcott's {Theorem} on {Heights} {I.} {A} {General} {Estimate.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {169--182},
     publisher = {mathdoc},
     volume = {115},
     number = {4},
     year = {1993},
     zbl = {0784.11054},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1993__115_4_178603/}
}