00299nam a2200121 a 450000100080000000500110000800800410001910000160006024500420007626000330011830000090015165300170016011170792000-09-19       1979    bl uuuu     u0uu1 u    #d1 aKOEPF, H.H.  aCompanion plants and how to use them.  aNew York, USA: Watkinsc1979  a93p.  aAGROECOLOGIA