"legget, robert f. "
geology and engineering: / robert.f. legget - 2 ed. - usa : mcgrow - hill 1962. - "xiii, 884p.; 23 cm."
hard cover
geology
550. leg
geology and engineering: / robert.f. legget - 2 ed. - usa : mcgrow - hill 1962. - "xiii, 884p.; 23 cm."
hard cover
geology
550. leg