"lockhart, j. a. r. "
introduction to crp husbandry including grassland: / j. a..r. lockhart - 5 ed. - uk : pergamon press 1984. - "xi, 255p.; 25 cm."
08 029793 5
631. 0941 loc
introduction to crp husbandry including grassland: / j. a..r. lockhart - 5 ed. - uk : pergamon press 1984. - "xi, 255p.; 25 cm."
08 029793 5
631. 0941 loc