List of the studied authors
Sewell, 1932 (p.232); 1948 (p.323); Krishnaswamy, 1953 (p.121); Ganapati & Shanthakumari, 1962 (p.8, 15); Goswami & al., 1977 (tab.3); Goswami & Selvakumar, 1977 (tab.1, 2); Madhupratap & Haridas, 1986 (p.105, tab.1); Dalal & Goswami, 2001 (p.22, fig.2); Rakhesh & al., 2006 (p.93, Table 2, spatial distribution);