Seed potato systems in Ecuador: a case study text Lima CIP 1989 Ind xi, 56 p. : ill. ; 28 cm. xi, 56 p. : ill. ; 28 cm. CRISSMAN, Charles C. SEED POTATOES 635.21-153 635.21-153CRIs ISBN 92-9060-137-X INLIS000000000026320 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)