@article{Linting2007,
author = {Linting, M. and Meulman, J.J. and Groenen, P.J.F. and Van der Kooij, A.J. },
title= {Nonlinear principal components analysis: Introduction and application},
year = {2007},
doi = {10.1037/1082-989X.12.3.336},
journal = {Psychological Methods },
volume = {12},
number = {3},
pages = {336--358},
}