@article{zaa87,
	title = {Untitled},
	annote = {superexchange of transition metal comp. and trends},
	author = {J. Zaanen and G. A. Sawatzky},
	journal = {Can. J. Phys.},
	pages = {1262},
	volume = {65},
	year = {1987},
	biburl = {http://www.bibsonomy.org/bibtex/2fc46f73afcc4a7d34d346bd20af2d87b/jgl},
	posted-at = {2008-03-07 13:36:30}, priority = {2}, citeulike-article-id = {2484366}, comment = {superexchange of transition metal comp. and trends},
	keywords = {high-tc, htsct, theory }
}