Roy C. Rom Rootstocks for fruit crops - New York John Wiley and Sons 1987 - 494p Roy C. Rom & Robert F. Carlson: Rootstocks for fruit crops. New York. John Wiley and Sons, 1987. 0-471-80551-3--(634ROM) ENGLISH ISBN: 0-471-80551-3 Dewey Class. No.: 634 / ROM