Lockhart, D J Stark effect spectroscopy of Rhodobacter sphaeroides and Rhodopseudomonas viridis reaction centers. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Jan 1988 - 107-11 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.85.1.107 doi