Evaluation of two varnishes by accelerated weathering applied to plantation timber Údair: Rivera-Nava, Juana Laura, Borja de la Rosa, Amparo, Corona-Ambriz, Alejandro, Flores-Velázquez, Rogelio, Machuca Velasco, Roberto

Pinus patula var. longepedunculata Loock growth in plantations of the Sierra Sur of Oaxaca Údair: Pedro Cruz, Adrián, Galán Larrea, Rolando, de los Santos Posadas, Héctor M., Valera Venegas, Gricelda, Rivera Nava, Juana Laura, Sandoval García, Celestino