00274nam a2200097Ia 4500008004100000082002400041100002200065245004200087260003800129300000900167140113s9999    xx            000 0 und d  a047.1:577.1   L2.41  a"Snell, E.E, Ed."  aAnuual Review of Biochemistry -vol.41  a1972bAnnual Reviews Inc.cU.S.A.  a1091