Study of width and height of EIT resonance in a Doppler broadened five-level system with varying probe powerM. M. Hossain, S. Mitra, S. Chakrabarti, D. Bhattacharyya, B. Ray and P. N. GhoshEur. Phys. J. D, 53 2 (2009) 141-146DOI: https://doi.org/10.1140/epjd/e2009-00108-7