Burgos, Daniel. Extension of the IMS Learning Design Specification based on Adaptation and Integration of Units of Learning In Escuela politécnica superior, Departamento de informática. Vol. Doctor en ingeniería informáti. Leganés, Madrid, Spain:  Universidad Carlos III de Madrid, 2008.

Burgos, Daniel, Ambjörn Naeve, Milos Kravcik, Alexandra Cristea, Hubert Vogten, Marcus Specht, Colin Tattersall, and Paul Lefrere. Integration of adaptive learning processes with IMS Learning Design considering corporate requirements In Research report of the ProLearn Network of Excellence., 2007.