@article{805976, author = {B Cho and C Carlsson and Ricardo Jimenez Martinez}, title = {Photon echo spectroscopy of porphyrins and heme proteins: effects of quasidegenerate electronic structure on the peak shift decay}, year = {2006}, number = {124}, month = {2006-01-01 00:01:00}, publisher = {Journal of Chemical Physics}, language = {en}, }