Palm J. Lokale Untersuchungen der elektrischen Eigenschaften von Korngrenzen in Silizium : Diss. / J.Palm, 1993. - 117 S. - Текст : непосредственный.
Thollander P. Improving energy efficiency in industrial energy systems. An interdisciplinary perspective on barriers, energy audits, energy management, policies, and programs / P. Thollander, J. Palm, 2013 r=on-line (Введено оглавление). - Текст : электронный.