Ciencia

VV. AA. - Edited by Z. A. Foroulis

Orland, Joaquín

Oranje, P. J.

Andrews - Dyson - Keown

Westinghouse Lamp Division

Parrish, G. - G. S. Harper

Hubbard, Prevost - Bernard E. Gray

Stark, Norman

Flinn - Trojan

Simonds - Weith - Bigelow

Bergamini, David

VV. AA. - Mark - Glicksman - Marsh

National Council of Teachers of Mathematics

Covarrubias

Kubaschewski, O. - E. LL. Evans

VV. AA.

Davies, P. C. W.

F. G.-M.

VV. AA. - Y. S. Touloukian - C. Y. Ho, Editors

VV. AA. - Edited by Nev A. Gokcen

Stieri, Emanuele

Döring, Werner

VV. AA. - Daw - Schlüter

Crangle, J.

Hero, A.

Rider, Paul R.

VV. AA. - Edited by I. M. Bernstein - Anthony W. Thompson

Gordon, Paul

Martín García, Juan

Díaz Covarrubias, Francisco

Puig, Ignacio

VV. AA. - Pablo E. Gil-Loyzaga - Alejandro Ubeda

Planat, P.

Strutt, M. J. O.

Tien, John K. - John F. Elliott

VV. AA. - Edited by N. F. Kazakov