@incollection{Lopez-Leyva19, author = {Josue Aaron Lopez-Leyva and Ariana Talamantes-Alvarez and Miguel A. Ponce-Camacho and Edith Garcia-Cardenas and Eduardo Alvarez-Guzman}, title = {Free-Space-Optical Quantum Key Distribution Systems: Challenges and Trends}, booktitle = {Quantum Cryptography in Advanced Networks}, publisher = {IntechOpen}, address = {Rijeka}, year = {2019}, editor = {Oleg G. Morozov}, chapter = {3}, doi = {10.5772/intechopen.81032}, url = {https://doi.org/10.5772/intechopen.81032} }