Ringenberg, Lawrence A.
Informal geometry - 1st ed. - New York John Wiley & Sons 1967 - xi, 151 p. ill. 25 cm.
Geometry
513.1 / RIN/1967
Informal geometry - 1st ed. - New York John Wiley & Sons 1967 - xi, 151 p. ill. 25 cm.
Geometry
513.1 / RIN/1967