International Symposium on Organic Apple and Pear Wolfville, C., Martin, R., Embree, C., Lynch, D., & Prange, R. (2007). Proceedings of the Ist International Symposium on Organic Apple and Pear: Wolfville, Canada, February 28 March 2, 2006. Leuven, Belgium: ISHS.

International Symposium on Organic Apple and Pear Wolfville, Canada), R.M Martin, C.E Embree, D.L Lynch, and R.P Prange. Proceedings of the Ist International Symposium On Organic Apple and Pear: Wolfville, Canada, February 28 March 2, 2006. Leuven, Belgium: ISHS, 2007.

International Symposium on Organic Apple and Pear Wolfville, Canada), et al. Proceedings of the Ist International Symposium On Organic Apple and Pear: Wolfville, Canada, February 28 March 2, 2006. Leuven, Belgium: ISHS, 2007.