You seem to be attempting to access an item that has been removed from the repository.
There is a later version of the item you are trying to access:
Bertin, M. C. Y Pimentel, B. M. Y Zambrano, G. E. R.
(2010)
Podolsky’s electromagnetic theory on the null-plane gauge.
In: 11th Hadron Physics: in Honor of Erasmo M. Ferreira 80th Birthday, 22-27 Mar 2010, Sao Paulo, Brazil.