Medishetty, R., Nalla, V., Nemec, L., Henke, S., Mayer, D., Sun, H., et al. (2017). A New Class of Lasing Materials: Intrinsic Stimulated Emission from Nonlinear Optically Active Metal–Organic Frameworks. Advanced Materials, 29(17): 1605637. doi:10.1002/adma.201605637.