Barnett . J. R . Xylem cell development Plant Science Laboratories ,University of Reading Barnett J. R . - Tunbridge Wells : Castle House Publications Ltd., 1981 - viii. 307 p; 22 cm, ISBN: 0719400503 Subjects--Topical Terms: Plant ecology--Xylem Subjects--Geographic Terms: Barnett, John R. [Editor] Dewey Class. No.: 582.1504116 / BAX 1981