Using Cached Functions and Constructors for Incremental Attribute Evaluation. - Maarten Pennings; S. Doaitse Swierstra; Harald Vogt (PLILP, 1992)

Employing Use-cases and Domain Knowledge for Comprehending Resource Usage. - René L. Krikhaar; Maarten Pennings; J. Zonneveld (CSMR, 1999)