1971
Mohan, Madan.
El-Gewely, M. Rafaat
Bishnoi, Prithwi Raj.
Hodgson, Barrie John
Evans, John Gerald
Rollin, André Léo.
Summary in English and French.
Millar, John Steven
Pollock, Thomas Long
Malik, Hargulshan Singh.
Dormuth, Kenneth Wayne