00271nam a2200109Ia 4500008004100000082001500041100002400056245002000080260004200100300000900142650001000151140113s9999    xx            000 0 und d  a576.858 L4  a" Horne, Robert W."  aVirus structure  b"New York : Academic Press Inc, 1974"  a51p.  aVirus