“…Althaus (1957a), B e erzi , n s s (1952( ), d'Hondt (1970, De Manuel et al (1992), , De Smet (1995), De Smet (2002), , Funch & SÖrensen (2001), Godske Bjo« rklund (1972b), Godske Eriksen (1968), Hauer (1925), Hollowday (1949), Kameswara Rao & Mohan (1984), Pasquali (1940), Pretus et al (1992), Remane (1929), Rentz (1940), Rudescu (1961), Russell (1962), Saunders-Davies (1995), Saunders-Davies (1998), Schwarz ( / 1956), Schwarz (1959), Schwarz (1962), Sick (1933), SÖrensen & Kristensen (1998), SÖrensen (2001b), Turner (1990), Wulfert (1942a) Encentrum matthesi Pourriot (1997), Rudescu (1961), Tzschaschel (1979), Tzschaschel (1980), Tzschaschel (1983) Encentrum putorius Petzold (1955Petzold ( /1956), Rudescu (1961), Schwarz ( /1956),…”