@Article{ MARTÍN_ARROYAL_ERIKSSON:2663-2668,

author = { JOSÉ MARÍA MARTÍN SENOVILLA and VANESA ARROYAL NAVARRO and I. ERIKSSON } ,

title = { NEW ELECTROMAGNETIC CONSERVATION LAWS },

journal = { CLASSICAL AND QUANTUM GRAVITY },

year = { 2003 },

volume = { 20 },

issn = { 0264-9381 },

pages = { 2663-2668 },

}