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1par Tutin Thomas Gaskell, Heywood Vernon Hilton, Burges Norman Alan, Valentine David Henriques, Walters Stuart Max, Webb David Allardice
At the University press 1964Livre -
2par Jeffrey Charles
E. Arnold [cop. 1973]Livre -
3Cambridge University 1972Livre
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4Cambridge University 1976Livre
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5University press 1968Livre