"smith, ralph j. "
Engineering as acareer: / Ralph.J. Smith - 1 ed. - usa : mcgraw-hill book co 1956. - "xi, 365p.; 23 cm."
hard cover
371. 425 smi
Engineering as acareer: / Ralph.J. Smith - 1 ed. - usa : mcgraw-hill book co 1956. - "xi, 365p.; 23 cm."
hard cover
371. 425 smi