01238nam a22003497a 4500 CHAP 20220329135247.0 971013s1979 r 00010 d 33416 34388 38504 CHAP 631.47 M3 Mayer, Enrique. 73234 Land use in the Andes : ecology and agriculture in the Mantaro Vallet of Peru with special reference to potatoes Lima : Centro Internacional de la Papa, 1979 115 p. : ilus. ; mapa Social science unit BATCH-UPD 10 20130110 UCH01 0116 BATCH-UPD 10 20130110 UCH01 2040 BATCH-UPD 10 20130410 UCH01 1354 BATCH-UPD 10 20130914 UCH01 1805 CONVERSION 10 20130109 UCH01 1319 Agricultura Peru. 1762 Perú Condiciones sociales. 87220 Tierras Utilización Perú. 113249 Social science unit 108039 BK LIBRO 631.47 M3 BC LIBRO 33724000079737 LIBRO 50886 38504 D i 631.47 M3 BC LIBRO 33724000079745 LIBRO c.2 53331 38504 D i 33416 33416 0 0 ddc 0 2 0 GRAL BC BC PP_GRAL 2019-12-31 LIBRO 0 631.47 M3 33724000079737 2019-12-31 00:00:00 2019-12-31 LIBRO 0 0 ddc 0 2 0 GRAL BC BC PP_GRAL 2019-12-31 LIBRO 0 631.47 M3 33724000079745 2019-12-31 00:00:00 c.2 2019-12-31 LIBRO