Νόμος των Μπιό-Σαβάρ: Διαφορά μεταξύ των αναθεωρήσεων

* {{cite book | last=Griffiths | first=David J. | title=Introduction to Electrodynamics | edition=3rd ed. | publisher=Prentice Hall | year=1998 | isbn=0-13-805326-X | url-access=registration | url=https://archive.org/details/introductiontoel00grif_0 }}