na INLIS000000000026319 Ind 0010-1218008157 True potato seed UMAERUS, Magnhild Magnhild Umaerus Lima CIP 1987 102 p. : ill. ; 20 cm. 102 p. : ill. ; 20 cm. ISBN 92-9060-132-9 635.21-15UMAt 635.21-15 SEED POTATOES 1267/89