00286nam a2200109Ia 450000500170000000800410001708200160005810000180007424500400009226000360013230000080016820260224040829.0260224s9999||||xx |||||||||||||| ||und||  a584.904 BUT  aButler, G.W.  0aChemistry and biochemistry herbage   aNew York: Academic Press c1973  a295