Bhattacharyya, D., A. Ghosh, A. Bandyopadhyay, S. Saha, and S. De. “Comparison of Electromagnetically Induced Transparency (EIT) Spectra for Six-Level Lambda \((\Lambda)\) and Five-Level V-Type Systems”. Journal of Atomic, Molecular, Condensed Matter and Nano Physics, vol. 2, no. 2, Nov. 2015, pp. 93-99, doi:10.26713/jamcnp.v2i2.323.