Systems philosophy /
Ellis, David O.
Systems philosophy / [by] David O. Ellis [and] Fred J. Ludwing. - Englewood Cliffs, N.J : Prentice-Hall, 1962. - xi, 387 p. : illus. ; 24 cm. - Prentice-Hall space technology series. .
Bibliography : p. 377.
Systems engineering.
629 ELL
Systems philosophy / [by] David O. Ellis [and] Fred J. Ludwing. - Englewood Cliffs, N.J : Prentice-Hall, 1962. - xi, 387 p. : illus. ; 24 cm. - Prentice-Hall space technology series. .
Bibliography : p. 377.
Systems engineering.
629 ELL