Heras’ derivation of Maxwell’s equations from the continuity equation is criticized.

1.
J. A.
Heras
, “
Can Maxwell’s equations be obtained from the continuity equation?
,”
Am. J. Phys.
75
,
652
657
(
2007
).
2.
E.
Schroedinger
,
The Spacetime Structure
(
Cambridge U. P.
,
Cambridge
,
1950
).
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