Impact on a Changing World Program Report 1997-1998 text Peru International Potato Center 1999 457p, ill, 24 cm POTATOES RESEARCH 635.21 635.21 INLIS000000000003654 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)