 bibentry(bibtype="article",
    title = "Gradient Projection Algorithms and Software for Arbitrary Rotation Criteria in Factor Analysis",
    author = "Coen A. Bernaards and Robert I. Jennrich",
    journal = "Educational and Psychological Measurement",
    year = "2005",
    volume = "65",
    issue = "5",
    pages = "676--696",
    doi = "10.1177/0013164404272507"
)