00291nam a2200121 a 450000100080000000500110000800800410001910000150006024500510007526000230012630000090014965000110015818469521992-10-21 1970 bl uuuu u0uu1 u #d1 aVIEIRA, C. aMelhoramento visando resistĂȘncia aos insetos. a[S.l.: s.n.]c1970 a9 p. aPlanta