Gatmaitan, Jaime L.
Ibarra, Elmer H.
Madamba, Francisco A.
Malicdem, Domingo C.
Villaflor, Efren U.
Villalba, Ernesto B.
Test 1
National Institute of Geological Sciences, Diliman, Q.C. Philippines
secretariat.upgaa@gmail.com
(632) 8 924-2485
Gatmaitan, Jaime L.
Ibarra, Elmer H.
Madamba, Francisco A.
Malicdem, Domingo C.
Villaflor, Efren U.
Villalba, Ernesto B.
Test 1