Abbott, W.
Practical geometry and engineering graphics : a text book for engineering and other students - 7th ed. - London Blackie 1963 - 374p. : ill.
621.7:744 / A2
Practical geometry and engineering graphics : a text book for engineering and other students - 7th ed. - London Blackie 1963 - 374p. : ill.
621.7:744 / A2