VERMEULEN, J. The application of multi- and hyperspectral remote sensing techniques in the assessment of stress factors in maize crops. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt;, v. 33, n. 1, p. 1 bladsy, 31 jul. 2014.