00483cam a22001817a 450000500170000000800410001701000100005801100100006803500100007808200160008810000240010424500330012826000450016130000310020650000130023765000240025065000270027420220329141255.0971010s1989            r     00010     d  a65558  a66530  a74820  a631.58bV3500aVandermeer, John H.14aThe ecology of intercropping  aCambridge :bCambridge University,c1989  a237 p.b: ilus. ; gráfs.  a1992-13714aCultivos asociados.14aEcología agrícola.