Schlumberger Resistivity Sounding Interpretation Using Graphical Inversion. 

Minimisasi Misstie Data Seismik 3D Pada Zona Transisi Selat Malaka Dengan Menggunakan Korelasi Silang. 

Noise Level Measuring & Analyzing at Several Places At University of Gadjah Mada, Yogyakarta.

Studi Penyebaran Pasir Besi dengan Metode Magnetik di Ketawang Grabag.

Analisis Gerak Partikel Seismik Pita Lebar Gempa Volkanik G. Merapi.

Analisis Koherensi Gelombang Seismik G. Krakatau.

Relief Basement Investigation on LP 1311 Area Using Magnetic Method.

Marine Geomagnetic Survey Nearby Southern Sumatera.

Paleomagnetism of Western Sumatera.

AMS Study Nearby Cepu, Central Java.

Paleomagnetism of Southern Sulawesi.

Tracing of Sulphide Mineral.