Anomalous photoluminescence polarization of porous silicon Andrianov, A. V. ; Kovalev, D. I. ; Zinov'ev, N. N. ; Yaroshetskiǐ, I. D. Abstract Publication: ZhETF Pisma Redaktsiiu Pub Date: September 1993 Bibcode: 1993ZhPmR..58..417A