L-chondrite asteroid breakup tied to Ordovician meteorite shower by multiple isochron 40Ar-39Ar dating - Korochantseva, Ekaterina V.; Trieloff, Mario; Lorenz, Cyrill A.; Buikin, Alexei I.; Iivanova, Marina A.; Schwarz, Winfried H.; Hopp, Jens; Jessberger, Elmar (Meteoritics & planetary science, 2007)