@book{13165,
	author = {Summer School on Yang- Mills-Equations, Humboldt Univ., Kagel, Berlin, June 1979 and Friedrich, Thomas ; ed.},
	title = {Self-dual Riemanninan geometry and instantons; proceedings},
	publisher = {Teubner},
	year = {1981},
	series = {Teubner texte zur Mathematik ; v.34},
	address = {Leipzig}
}