Linsenmeier, A., & Löhnertz, O. (2016). Changes in Norisoprenoid Levels with Long-term Nitrogen Fertilisation in Different Vintages of Vitis vinifera var. Riesling Wines. South African Journal of Enology and Viticulture, 28(1), 17–24. https://doi.org/10.21548/28-1-1455