By Lalande, J. J.
Buenos Aires : Glem, 1968 .
287 p. : 14 cm.

By Richarson, E.
Buenos Aires : Glem, 1946 .
126 p. : 19 cm.

By Porter, Cliff.
Buenos Aires : Centro Regional de Ayuda Técnica-Glem, 1974

By Schweitzer, Gerald.
Buenos Aires : Centro Regional de Ayuda Técnica-Glem, 1974 .
154 p. : , Contiene glosario y tablas. 23 cm.

By Davenport, William P..
Buenos Aires : Glem, 1974 .
225 p.

By Browster, Alan.
Buenos Aires : Glem, 1947 .
208 p. ; 21 cm.