Hapl-o-Mat: open-source software for HLA haplotype frequency estimation from ambiguous and heterogeneous data. - Christian Schäfer; Alexander H. Schmidt; Jürgen Sauter (BMC Bioinform., 2017)

DR2S: an integrated algorithm providing reference-grade haplotype sequences from heterozygous samples. - Steffen Klasberg; Alexander H. Schmidt; Vinzenz Lange; Gerhard Schöfl (BMC Bioinform., 2021)