A. Bogoni, W. Xiaoxia, I. Fazal, and A. Willner. Optical Fiber Communication - incudes post deadline papers, 2009.
OFC 2009. Conference on, page 1-3--. (2009)
M. Wetter. Proceedings of Building Simulation 2013, 13th Conference of the International Building Performance Simulation Association, page 3505--3512. (2013)
geosource. Geothermal Installation in Pennsylvania, 1 (1):
1-3(January 2015)Geothermal energy is becoming popular in PA, but it can be very expensive. Is it worth the investment?.