00415nam a22001697a 4500020001500000082001600015100002500031245001800056250001200074260003900086300001300125650002200138654002200160700002500182700001900207700001900226  a818823799X  a574.88bGES  aGesteland, Raymond F  aThe RNA world  a1st ed.  aNew DelhibI.K Internationalc2006  a1-768 p.  aMolecular Biology  aMolecular Biology  aGesteland, Raymond F  aCech, Thomas R  aAtkins, John F