William.P Spence.
Drafting technology and practice : William.P Spence. - New york : Mc Grawhill, 1991. - 786p.
0-02-676290-0
--School of Pure and Applied Sciences
T353 / .S57 1991
Drafting technology and practice : William.P Spence. - New york : Mc Grawhill, 1991. - 786p.
0-02-676290-0
--School of Pure and Applied Sciences
T353 / .S57 1991