E. Ozkan

Original paper: Evaluation of ultrasonic sensor for variable-rate spray applications

H. Jeon, R. Derksen, C. Krause, 2011 .

Wind Tunnel Evaluation of Drift Reduction Potential and Spray Characteristics with Drift Retardants at High Operating Pressure

Heping Zhu, R. C. Derksen, Charles R. Krause, 2006 .

Original paper: Evaluation of ultrasonic sensor for variable-rate spray applications

H. Jeon, R. Derksen, C. Krause, 2011 .