00443nam a2200169 a 450000100080000000500110000800800410001910000190006024500310007926000330011030000150014350000560015865000120021465000150022665300200024165300120026115871791992-07-08       1973    bl uuuu     u0uu1 u    #d1 aPRESTON, T. R.  aIntensive beef production.  aRuakura: [s.n.], 1973.c1973  ap.185-219.  aIn: RUAKURA FARM.CONF., 1973, RUAKURA. Proceedings.  aBezerro  aProdução  aBovino de corte  aSistema