00516naa a2200193 a 450000100080000000500110000800800410001910000170006024500960007726000090017365000100018265000100019265000120020265000110021465000150022565300130024065300210025377300480027411602962018-08-30       1980    bl uuuu     u00u1 u    #d1 aMASON, I. L.  aSheep and goat production in the drougt polygon of northeast Brazil.h[electronic resource]  c1980  aGoats  aSheep  aCaprino  aOvelha  aProdução  aNordeste  aPoligono da seca  tWorld Animal Reviewgn. 34, p. 23-28, 1980.