@inbook{inbook146ff0ed,
title   = {Effects of foliar applications of boron on citrus fruit and on foliage and soil boron concentration},
author = {Boaretto, Antonio Enedi and Tiritan, Carlos Sergio and Muraoka, Takashi},
year = {1997},
publisher = {Kluwer Academic},
journal   = {Boron in soils and plants}
}