00287nam a2200109Ia 4500008004100000040001100041100001500052245005300067260003500120300001300155300000900168251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aP.D. Boyer 0aBiochemical & Biophysics Research Communications  c1973bAcademic PressaNew York  aP.1-1360  bV.53