Feng, Z.C.Z.C.FengWee &amp, A.T.S.A.T.S.Wee &ampTan, K.L.K.L.Tan2010-09-022018-07-052010-09-022018-07-051994-01http://ntur.lib.ntu.edu.tw//handle/246246/193719en-USSurface and optical analysis of porous silicon membranesjournal article