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by Macias, Alfredo; Lammerzahl, Claus; Camacho, Abel
by Macias, Alfredo; Maceda, Marco
by Narro, Alfredo Macias
by Acevedo, Soledad Enriquez-rubio; Narro, Alfredo Macias
by Macias, Alfredo; Cervantes Cota, Jorge Luis; Lammerzahl, Claus
by Mexican Meeting on Mathematical and Experimental Physics 2001; Macias, Alfredo; Uribe, Francisco; et al.
by Macias, Alfredo; Dagdug, Leonardo
by Macias, Alfredo; Uribe, Francisco; Diaz, Enrique