Vargas-Hernandez, J-Jesus, and Jeniffer-Ivette Vargas-Abonce. 2016. “Effect of Giberellic Acid (GA4/7) and Girdling on Induction of Reproductive Structures in Pinus Patula”. Forest Systems 25 (2), e063. https://doi.org/10.5424/fs/2016252-09254.