Smith, R.; Dekany, R.; B, C.; Bellm, E.; Bui, K.; Cromer, J.; Gardner, P.; Hoff. M. et al. (14 de julio de 2014). «The Zwicky transient facility observing system». En International Society for Optics and Photonics, ed. Ground-based and Airborne Instrumentation for Astronomy V9147: 914779. doi:10.1117/12.2070014.Se sugiere usar |número-autores= (ayuda)
doi.org
dx.doi.org
Smith, R.; Dekany, R.; B, C.; Bellm, E.; Bui, K.; Cromer, J.; Gardner, P.; Hoff. M. et al. (14 de julio de 2014). «The Zwicky transient facility observing system». En International Society for Optics and Photonics, ed. Ground-based and Airborne Instrumentation for Astronomy V9147: 914779. doi:10.1117/12.2070014.Se sugiere usar |número-autores= (ayuda)