“Summary of the 2002 Pacific Northwest of USA Pear Rootstock Trials: Performance of ’d’Anjou’ and ’Golden Russet Bosc’ Pear on Eight PyrusRootstocks”. 2013. Journal of the American Pomological Society 67 (2): 80-88. https://doi.org/10.71318/apom.2013.67.2.80.