TY - BOOK AU - Elmore,William C. AU - Heald,Mark A. TI - Physics of waves T2 - McGraw-Hill series in fundamentals of physics: An Undergraduate textbook program AV - QC157 .E44 U1 - 531/.1133 19 PY - 1969///] CY - New York PB - McGraw-Hill KW - Waves KW - Wave-motion, Theory of ER -