Meta-Specification and Cataloging of Software Patterns with Domain Specific Languages and Adaptive Object Models. - León Welicki; Juan Manuel Cueva Lovelle; Luis Joyanes Aguilar (EuroPLoP, 2006)

Patterns meta-specification and cataloging: towards knowledge management in software engineering. - León Welicki; Juan Manuel Cueva Lovelle; Luis Joyanes Aguilar (OOPSLA Companion, 2006)

Patterns for Factoring Responsibilities when Working with Objects and Relational Databases. - León Welicki (EuroPLoP, 2007)

Towards a pattern language for adaptive object models. - León Welicki; Joseph W. Yoder; Rebecca Wirfs-Brock; Ralph E. Johnson (OOPSLA Companion, 2007)

Improving Performance and Server Resource Usage with Page. - León Welicki; Oscar Sanjuán Martínez (PDPTA, 2007)

Measurement framework for evaluating e-governance on municipalities websites. - Rocío Andrea Rodríguez; León Welicki; Daniel Alberto Giulianelli; Pablo Martín Vera (ICEGOV, 2008)

API usability peer reviews: a method for evaluating the usability of application programming interfaces. - Umer Farooq; León Welicki; Dieter Zirkler (CHI, 2010)

Improving User Experience by Taking Advance of Semantic Information of Microformats on Municipal Websites. - Rocío Andrea Rodríguez; Pablo Martín Vera; Elsa Estevez; Daniel Alberto Giulianelli; León Welicki; Artemisa Trigueros (HCITOCH, 2010)