00914nam a2200229ua 4500003001000000005001700010008004100027020001800068040003000086100003000116245004800146260002900194490002400223504003200247650003800279655001700317700002400334999001700358952009900375952009900474952011100573AR-SsjUCA20250715141419.0250228s1976    sp            000 0 spa d  a84-309-0641-X  aAR-SsjUCAbspacAR-SsjUCA1 aEvenson, Robert E.93012710aInvestigación agrícola y productividad.  aMadrid :bTecnos,c1976.0 aSerie Banco Mundial  aBibliografía: p. 170-174. 4aInvestigación agrícola924882 4aTexto9240881 aKislev, Yoav930128  c18329d18329  00104070aCAbCAd2014-10-11l0o631.1 EVE Ej.1pCA6265r2025-07-15 00:00:00w2025-07-15yLB  00104070aCAbCAd2014-10-11l0o631.1 EVE Ej.2pCA6266r2025-07-15 00:00:00w2025-07-15yLB  00104070aCAbCAd2014-10-11l0o631.1 EVE Ej.3pCA6267r2025-07-15 00:00:00s2023-05-31w2025-07-15yLB