00270nam a2200097Ia 4500008004100000082002100041100002300062245003700085260004200122300000800164140113s9999    xx            000 0 und d  a047.1:575   L0.4  a"Roman, H.L., Ed."  aAnnual Review of Genetics -vol.4  a1970bAnnual Reviews Inc.cCalifornia  a523