@article{Chang_2013 author = {Liu Chang and A. Yu. Panchenko and Mykola I. Slipchenko}, title = {RADIO ACOUSTIC SOUNDING SYSTEMS: PART 2. USE OF THE FRESNEL APPROXIMATION CONCEPT FOR A RECEIVED SIGNAL NOTATION}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2013}, volume = {72}, number = {15}, pages = {1399--1409} }