González-Martín, I Differentiation of dietary regimene of Iberian swine by means of isotopic analysis of carbon and sulphur in hepatic tissue. [electronic resource] - Meat science May 2001 - 25-30 p. digital Publication Type: Journal Article ISSN: 0309-1740 Standard No.: 10.1016/s0309-1740(00)00126-1 doi