Determination of the sonic properties of a Nigerian quartz for ultrasonic transducer. - Nwadike, Uchechukwu I.; Agwu, Kenneth K.; Eze, Charles U.; Kani, Duke; Agu, Gregory; Enwereuzo, Emmanuel; Obika, Mike; Umoh, Effiong; Ufomba, Emmanuel (Journal of X-Ray Science & Technology, 2018)