Bastillo, Arnaldo C.
Gallego, Pablo Jr. P.
Llorente, Arturo B.
Ostrea, Leocadio M.
San Andres, Ramon B.
Tadiar, Edilberto F.
Victoriano, Andre P.
National Institute of Geological Sciences, Diliman, Q.C. Philippines
secretariat.upgaa@gmail.com
(632) 8 924-2485