@article{JRAM_1983__342_152542,
     author = {Joseph H. Silverman},
     title = {Heights and the specialization map for families of abelian varieties.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {197--211},
     publisher = {mathdoc},
     volume = {342},
     year = {1983},
     zbl = {0505.14035},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1983__342_152542/}
}