Systems philosophy
Ellis, David O.
Systems philosophy by David O. Ellis, Fred J. Ludwig. - N. J. Prentice-Hall 1962 - xi, 387p. - Prentice-Hall Space Technology Series .
620.7 / N62
Systems philosophy by David O. Ellis, Fred J. Ludwig. - N. J. Prentice-Hall 1962 - xi, 387p. - Prentice-Hall Space Technology Series .
620.7 / N62