Yeast Protein database (YPD): a database for the complete proteome of Saccharomyces cerevisiae. - William E. Payne; James I. Garrels (Nucleic Acids Res., 1997)

The Yeast Protein Database (YPD): a curated proteome database for Saccharomyces cerevisiae. - Peter E. Hodges; William E. Payne; James I. Garrels (Nucleic Acids Res., 1998)

The Yeast Proteome Database (YPD): a model for the organization and presentation of genome-wide functional data. - Peter E. Hodges; Andrew H. Z. McKee; Brian P. Davis; William E. Payne; James I. Garrels (Nucleic Acids Res., 1999)