00427nam a2200181 a 4500 AR-ReUNN 20260702003328.0 260630s2007 ne |||||||||||||||||eng 90-6193-897-X eng Tasks for vegetation science Dordrecht W. Junk 2007 Botanica 6213 Vegetación 5746 CR (IBONE)41218 239647 239647 239647 AR-ReUNN spa AR-ReUNN aacr2