GPS Velocity and Strain Rate Fields in Southwest Anatolia from Repeated GPS Measurements. - Saffet Erdogan; Muhammed Sahin; Ibrahim Tiryakioglu; Engin Gülal; Ali Kazim Telli (Sensors, 2009)

Multisensor Railway Track Geometry Surveying System. - Burak Akpinar; Engin Gülal (IEEE Trans. Instrum. Meas., 2012)

Research on the stability analysis of GNSS reference stations network by time series analysis. - Engin Gülal; Hediye Erdogan; Ibrahim Tiryakioglu (Digit. Signal Process., 2013)

Performance Comparison of 2.4 and 5 GHz WiFi Signals and Proposing a New Method for Mobile Indoor Positioning. - Veli Ilçi; Engin Gülal; Reha Metin Alkan (Wirel. Pers. Commun., 2020)