@article{SchKapGuyKopSel05,
  author   = {M.~Scholz and F.~Kaplan and C.L.~Guy and J.~Kopka and J.~Selbig},
  title    = {Non-linear PCA: a missing data approach},
  journal  = {Bioinformatics},
  volume   = {21},
  number   = {20},
  pages    = {3887--3895},
  year     = {2005}
}