Sankaran, Sindhuja, Lav R Khot, Carlos Zúñiga Espinoza, Sanaz Jarolmasjed, Vidyasagar R Sathuvalli, George J Vandemark, Phillip N Miklas et al. 2015. Low-Altitude, High-Resolution Aerial Imaging Systems for Row and Field Crop Phenotyping: A Review. : Elsevier.