by Pugal, D.L, Herrera, A.B, Quilao, T.A, Balais, W.A, Abarquez, F.I, Bion, H.H, Magpantay, C.G, Vinluan, F.D. (Industrial Technology Development Inst., Bicutan, Taguig, Metro Manila (Philippines). Fuels and Energy Div.)
Published in Philippine Technology Journal (Philippines) (01.01.1995)

by Herrera, A.B, Bion, H.H, Magpantay, C.G, Quilao, T.A, Balais, W.A, Abarquez, F.I, Pugal, D.L. (Industrial Technology Div. Inst., Bicutan, Taguig, Metro Manila (Philippines). Fuels and Energy Div.)
Published in Philippine Engineering Journal (Philippines) (01.06.1999)

by Nakagawa, K, Yamada, K, Tsurue, T, Takeda, S, Ishizaki, K, Quilao, T.A, Balais, W.A, Herrera, A.B, Pugal, D.L, Bion, H.H, Magpantay, C.G, Abarquez, F.I, Alcoba, E.M, Vinluan, F.D. Jr. (Hokkaido National Industrial Research Inst., Hokkaido, Sapporo (Japan))
Published in Philippine Engineering Journal (Philippines) (01.06.1998)