"birdie, g s. "
civil draughtsmanship: theory and practice: / g.s. birdie - 6 ed. - india : dhanpat rai 1998. - "xxiv, 754p.; 24 cm."
civil engineering--
624. bir
civil draughtsmanship: theory and practice: / g.s. birdie - 6 ed. - india : dhanpat rai 1998. - "xxiv, 754p.; 24 cm."
civil engineering--
624. bir