Irreducibility and efficiency of ESIP to sample marker genotypes in large pedigrees with loops Soledad A. Fernández, Rohan L. Fernando, Bernt Guldbrandtsen, Christian Stricker, Matthias Schelling and Alicia L. Carriquiry Genet. Sel. Evol., 34 5 (2002) 537-555 DOI: 10.1051/gse:2002022