Alberti, G. (1959b)

Alberti, G. (1959b)

Alberti, G. (1961)

Bujak, J.P. (1979)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. (1994)

Bujak, J.P. and Mudge, D.C. (1994)

Bujak, J.P., Downie, C., Eaton, G.L. and Williams, G.L. (1980a)

Caro, Y. (1973)

Cookson, I.C. and Eisenack, A. (1965b)

Deflandre, G. and Cookson, I.C. (1955)

Eaton, G.L. (1976)

Eaton, G.L. (1976)

Ehrenberg, C.G. (1837b)

Eisenack, A. (1954b)

Eisenack, A. (1954b)

Eisenack, A. (1954b)

Gocht, H. (1955)

Islam, M.A. (1983b)

Islam, M.A. (1983c)

Klumpp, B. (1953)

Michoux, D. (1988)

Morgenroth, P. (1966a)

Stanley, E.A. (1965)

Williams, G.L. and Downie, C. (1966c)

Williams, G.L. and Downie, C. (1966c)

Williams, G.L. and Downie, C. (1966c)