ASCHERSON 1869;
BECK von MANNAGETTA 1901, 1902:, 
BORB*S 1890; 
DEGEN 1936-1938; 
FREYN 1879;
HAYEK 1927-33; 
JANCHEN 1908; 
MALY 1907, 1936; 
PORTENSCHLAG-LEDERMEYER 1824;
TURILL 1929; i dr