Michavila Puente-Villegas, Santiago, Aida Rodríguez García, Faustino Rubio, Luis Gil, and Rosana Lopez. 2020. “Salicylic and Citric Acid As Promising New Stimulants for Resin Tapping in Maritime Pine (Pinus Pinaster Ait.)”. Forest Systems 29 (3), eSC07. https://doi.org/10.5424/fs/2020293-16737.