00377nam a2200145Ia 4500008004100000082001600041100002700057245003700084260004100121300000800162650001800170650001800188653001300206653001200219170901s1969    xx            000 0 und d  a576.6bF77C  aFraenkel-Conrat, Heinz 0aChemistry And Biology of Viruses  aNew YorkbAcademic Press, Inc.c1969  a294  aLife sciences  aPure Sciences  aVirology  aViruses