00277nam a2200109Ia 4500008004100000082002500041100001800066245002700084250000800111260004000119300000800159240913s9999||||xx |||||||||||||| ||und||  aGS    581.467  ESA/A  aKatherineEsau 0aAnatomy of seed plants  a2nd  bJohn Wiley and SonsaNew Yorkc1997  a550