Woodward, T. K., Chemla, D. S., Bar-Joseph, I., Baranger, H. U., Sivco, D. L., & Cho, A. Y. (1991). Sequential versus coherent tunneling in double-barrier diodes investigated by differential absorption spectroscopy. Physical Review. B, Condensed Matter, 44(3), 1353–1356. https://doi.org/10.1103/physrevb.44.1353

Woodward, T. K., D. S. Chemla, I. Bar-Joseph, H. U. Baranger, D. L. Sivco, and A. Y. Cho. “Sequential versus coherent tunneling in double-barrier diodes investigated by differential absorption spectroscopy.” Physical Review. B, Condensed Matter 44, no. 3 (July 1991): 1353–56. https://doi.org/10.1103/physrevb.44.1353.

Woodward TK, Chemla DS, Bar-Joseph I, Baranger HU, Sivco DL, Cho AY. Sequential versus coherent tunneling in double-barrier diodes investigated by differential absorption spectroscopy. Physical review B, Condensed matter. 1991 Jul;44(3):1353–6.

Woodward, T. K., et al. “Sequential versus coherent tunneling in double-barrier diodes investigated by differential absorption spectroscopy.” Physical Review. B, Condensed Matter, vol. 44, no. 3, July 1991, pp. 1353–56. Epmc, doi:10.1103/physrevb.44.1353.

Woodward TK, Chemla DS, Bar-Joseph I, Baranger HU, Sivco DL, Cho AY. Sequential versus coherent tunneling in double-barrier diodes investigated by differential absorption spectroscopy. Physical review B, Condensed matter. 1991 Jul;44(3):1353–1356.