Bhatt, N. D.
Elementary engineering drawing plane and solid geometry - 6th ed. - Karachi Asia Book Centre 1965 - xvi, 491p. ill.
Geometrical drawing
515 / BHA/1965
Elementary engineering drawing plane and solid geometry - 6th ed. - Karachi Asia Book Centre 1965 - xvi, 491p. ill.
Geometrical drawing
515 / BHA/1965