PlantsP: a functional genomics database for plant phosphorylation. - Michael Gribskov; Fariba Fana; Jeffrey Harper; Debra A. Hope; Alice C. Harmon; Douglas W. Smith; Frans E. Tax; Guangfa Zhang (Nucleic Acids Res., 2001)

The PlantsP and PlantsT Functional Genomics Databases. - Jason H. Tchieu; Fariba Fana; J. Lynn Fink; Jeffrey Harper; T. Murlidharan Nair; R. Hannes Niedner; Douglas W. Smith; Kenneth Steube; Tobey M. Tam; Stella Veretnik; Degeng Wang; Michael Gribskov (Nucleic Acids Res., 2003)