00503nam a2200229Ia 4500 210210b1913 xxu||||| |||| 00| 0 eng d eng 534/78 POYNTING (J H) Textbook of physics: sound Ed 6 London Charles Griffin & Co Ltd. 1913 164 Textbook sound physics: physics Ed 6 Sound 008566 126409 126409 0 0 0 2 Physics AL AL Physics 2021-02-17 0.00 0 534/78 008566 2021-02-17 00:00:00 2021-02-17 BK