00381nam a2200109Ia 4500008004100000082004400041100002000085245006900105260004200174300001800216650003700234140113s9999    xx            000 0 und d  a547.963.32.001.5+575.172.1(047.1) M1.25  a"Cohn, Waldo E"  aProgress in nucleic acid research and molecular biology. Vol .25  b"New York : Academic Press Inc, 1981"  a"xiii, 256p."  aMolecular biology ; Nucleic acid