"gray, charles s. "
steel designer's manual: / charles.s. gray - 3 ed. - uk : crosby lockwood 1966. - "xiii, 1086p.; 25 cm."
hard cover
steel designer's manual: / charles.s. gray - 3 ed. - uk : crosby lockwood 1966. - "xiii, 1086p.; 25 cm."
hard cover