00466nam a22001457a 4500003000800000005001700008008004100025040002100066082001700087110001900104245011900123260004000242300002600282650001200308BD-DhUL20170417152916.0170417b        xxu||||| |||| 00| 0 eng d  cBD-DhULdBD-DhUL  a547.437bUNS 2aUnited nations  aSymposium onn new developments in the in the provision of amino acids in the diets of pigs and poultry /bVol. 2 /  aNew york :bUnited nations ,c1973.  a334p. :bill.,c28cm. 0aScience