On the Solutions of NP-Complete Problems by Means of jNEP Run on Computers. - Emilio del Rosal García; José Miguel Rojas Siles; Rafael Núñez Hervás; Carlos Castañeda Marroquín; Alfonso Ortega de la Puente (ICAART, 2009)

PNEPs, NEPs for Context Free Parsing: Application to Natural Language Processing. - Alfonso Ortega 002; Emilio del Rosal García; Diana Pérez 001; Robert Mercas; Alexander Perekrestenko; Manuel Alfonseca 001 (IWANN (1), 2009)

PNEPs for Shallow Parsing - NEPs Extended for Parsing Applied to Shallow Parsing. - Emilio del Rosal García; Alfonso Ortega de la Puente; Diana Pérez-Marín (ICAART (2), 2010)

Towards the Automatic Programming of NEPs. - Emilio del Rosal García; Marina de la Cruz; Alfonso Ortega de la Puente (IWINAC (1), 2011)

Towards the Automatic Programming of NEPs: A First Case Study. - Emilio del Rosal García; Alfonso Ortega 002; Marina de la Cruz (PAAMS (Special Sessions), 2012)