Presas i Puig, A. (2005). "Germania docet": On a lecture trip to spain : the scientific relations between Germany and Spain during the Entente boycott (1919 - 1926). Max-Planck-Institut für Wissenschaftsgeschichte.

Presas i Puig, Albert. "Germania Docet": On a Lecture Trip to Spain : The Scientific Relations Between Germany and Spain During the Entente Boycott (1919 - 1926). Berlin: Max-Planck-Institut für Wissenschaftsgeschichte, 2005.

Presas i Puig, Albert. "Germania Docet": On a Lecture Trip to Spain : The Scientific Relations Between Germany and Spain During the Entente Boycott (1919 - 1926). Max-Planck-Institut für Wissenschaftsgeschichte, 2005.