@Unpublished{Algebraic-Number-Theory/0363,
  author = 	 {{Greg W. Anderson and Fernando Pablos Romo}},
  title = 	 {{Simple proofs of classical explicit reciprocity laws on curves using determinant groupoids over an artinian local ring}},
  note = 	 {{Preprint, July 31, 2002, Algebraic Number Theory Preprint Archives, http://www.math.uiuc.edu/Algebraic-Number-Theory/0363/}}}
}