ULTRASONIC ECHOLOCATION METHOD FOR MEASURING THE KINEMATIC CHARACTERISTICS OF A THREE-DIMENSIONAL TURBULENT FLOW Статья Garanina E.V., Ponomarev N.K., Rabkova E.K., Stefanov S.R., Yurik I.V. Water Resources. Том 25. 1998. С. 566-571
METHOD OF HYDRAULIC CALCULATION OF CHANNELS OF RIVERS AND LARGE CANALS. Статья Rzhanitsyn N.A., Ponomarev N.K. Soviet meteorology and hydrology. 1984. С. 74-79