Elemental composition by SEM-EDX of sub-micrometer particles of atmospheric aerosols in De La Salle University, Manila - Bangsal, Eric B.; Roman, Tanglaw A.; Macalalad, Ernest P.; Vallar, Edgar A.; Galvez, Maria Cecilia D. (Proceedings of the 21st Samahang Pisika ng Pilipinas Physics Congress, 2003)