@article{PPN62506710X+DMDLOG_0003, title = {Avvertimento}, booktitle = {Storia del metodo sperimentale in Italia Tomo 1}, series = {GDML\_Books}, publisher = {Civelli}, address = {Firenze}, year = {1891}, pages = {21}, url = {http://dml.mathdoc.fr/item/PPN62506710X+DMDLOG_0003} }
(éd.). Avvertimento, dans Storia del metodo sperimentale in Italia Tomo 1, GDML_Books, (1891), p. 21. http://gdmltest.u-ga.fr/item/PPN62506710X+DMDLOG_0003/