On the origin of positive and negative electricity
Gião, António
Portugaliae mathematica, Tome 8 (1949), p. 143-153 / Harvested from Portugaliae Mathematica
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Publié le : 1949-01-01
EUDML-ID : urn:eudml:doc:114681 
@article{2191,
     author = {Gi\~ao, Ant\'onio},
     title = {On the origin of positive and negative electricity},
     journal = {Portugaliae mathematica},
     volume = {8},
     year = {1949},
     pages = {143-153},
     zbl = {0040.27901},
     mrnumber = {0044946},
     language = {en},
     url = {http://dml.mathdoc.fr/item/2191}
}

Gião, António. On the origin of positive and negative electricity. Portugaliae mathematica, Tome 8 (1949) pp. 143-153. http://gdmltest.u-ga.fr/item/2191/