但问题在HbqK,随着越r9MN越多的工7NGe辞职以寻VCXB食物,原IVLP生产的恢eOkP举步维艰LWjd
Petkova,Ralitsa,DotheFama-Frenchfactorsproxyforinnovationsinpredictivevariables?Journaloffinance,Apr2006,61(2):581-612