00317nam a2200121Ia 4500008004100000020001100041040001100052100002000063245005300083260003700136300001300173300000900186251112s9999||||xx |||||||||||||| ||und||  c50.3.9  aCNCLSA  aJ. A. V. Butler 0aProgress in Biophysics and Biophysical Chemistry  c1954bpergamon press LtdaLondon  aP. 1-338  bV. 4