Jreij, Rana, et al. “Combined Effects of Soil-Applied and Foliar-Applied Nitrogen on the Nitrogen Composition and Distribution in Water Stressed ‘<em>Vitis vinifera< Em> L.’ Cv Sauvignon Blanc Grapes”. OENO One, vol. 43, no. 4, Dec. 2009, pp. 179-87, doi:10.20870/oeno-one.2009.43.4.790.