00586     2200181   4500001002100000008004100021035002000062245007100082100004300153260005000196300004900246084001800295520001900313082002200332650001800354650001200372990002000384INLIS000000000002986                                   Ind    a0010-1118002986  aSeed potato systems in Ecuador: a case studycCRISSMAN, Charles C.  aCharles C. Crissman; Jorge E. Equillas  aLima, PerubInternational Potato Centerc1989  a70 p. : ill. ; 28 cm.c70 p. : ill. ; 28 cm.  a635.21-53CRIs  aBibl. p. 47-49  a635.21-153.1(866)  aSEED POTATOES  aECUADOR  a0158/90-mfn4669