<>
by Kutzelnigg, W., Berthier, G., Del Re, G.
fromTopics in current chemistry (1973- )
by Kutzelnigg, W., Berthier, G., Del Re, G.
fromTopics in current chemistry (1973- )
by Kutzelnigg, Werner, Berthier, G., Del Re, G.
fromFortschritte der chemischen Forschung