00278nam a2200109Ia 450000500170000000800410001708200150005810000200007324500320009326000350012530000080016020260224040937.0260224s9999||||xx |||||||||||||| ||und||  a547.75 CHA  aChalmers, R.A.  0aMethods of protein analysis  aNew York: Halsted Press,c1984  a371