Hecht, L I BINDING OF AMINO ACIDS TO THE END GROUP OF A SOLUBLE RIBONUCLEIC ACID. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Apr 1959 - 505-18 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.45.4.505 doi