TY - BOOK AU - Capstick , J . W TI - Sound U1 - PL125 PY - 1942/// CY - Cambridge PB - At The University Press KW - Physics Light, Heat and Sound N1 - PL means Physics Light, Heat and Sound Page No. 465-469 in A-Z Accession Register (Accession No. PL1-PL131) ER -