Prediction of apples' internal transmittance - utopia or a reality ? / N. Katrandzhiev .
In: PRAE 2011 : proceedings of scientific works [149 s.]. -- Nitra : Slovak University of Agriculture, 2011. -- ISBN 978-80-552-0662-2 (brož.). -- S. 72-78
http://www.slpk.sk/eldo/2012/zborniky/004-12/Katrandzhiev_2.pdf .