"weaver, g g. "
Visual aids: their construction and use/ G.G. Weaver - 1 ed. - uk : d. van nostrand 1949. - ", 388p.; 23 cm."
hard cover
LB1044 / .W38 1949
Visual aids: their construction and use/ G.G. Weaver - 1 ed. - uk : d. van nostrand 1949. - ", 388p.; 23 cm."
hard cover
LB1044 / .W38 1949