00309nam a2200121 a 450000500170000008200220001710000180003924500310005725000120008826000400010030000160014049000310015620251203091010.0  a574.1925,bD, coh  aCohen, Philip  aControl of enzyme activity  a2nd ed.  aLoNew DelhionbChapman & Hallc1983  a96p, 22 cm.  aOutline studies in biology