master
@Book{Testi2009, author = Testi, title = Testi, year = 2009, publisher = Testi } @Article{Ttesti1999, author = Ttesti, title = Tet, year = 1999, publisher = } @Book{testi2000, author = testi, title = tetsjk, year = 2000, publisher = jldkjfks }