00334nam a2200109Ia 4500008004100000082002500041100002900066245004100095260004200136300001000178650003600188140113s9999    xx            000 0 und d  a576.858:576.809.8 K9  a"Fraenkel-Conrat, Heinz"  aThe chemistry and biology of viruses  b"New York : Academic Press Inc, 1969"  a294p.  aVirus-chemistry ; Virus-biology