@article{9962, author = {J. Ward and John Cooper and E. Smith}, title = {Correlation effects in the theory of combined doppler and pressure broadening-I. Classical theory}, year = {1974}, journal = {Journal of Quantitative Spectroscopy and Radiative Transfer}, volume = {14}, pages = {555-590}, month = {Jan-07-1974}, issn = {00224073}, doi = {10.1016/0022-4073(74)90036-3}, }