00539     2200169   4500001002100000008004100021035002000062245007100082100004300153260002000196300005700216020002300273084001900296082001500315650001800330990002100348INLIS000000000026320                                   Ind    a0010-1218008158  aSeed potato systems in Ecuador: a case studycCRISSMAN, Charles C.  aCharles C. Crissman; Jorge E. Uguillas  aLimabCIPc1989  axi, 56 p. : ill. ; 28 cm.cxi, 56 p. : ill. ; 28 cm.  aISBN 92-9060-137-X  a635.21-153CRIs  a635.21-153  aSEED POTATOES  a0158/90-mfn28176