Sommer, L. R., S. S. Camargo, M. L. Bicca, C. G. Raasch, R. M. N. Peil, and M. W. Schuch. “Blackberry and Raspberry Seedlings Growth under the Soilless Cultivation System”. Agronomy Science and Biotechnology, Vol. 2, no. 2, Nov. 2017, p. 85, doi:10.33158/ASB.2016v2i2p85.