TY - BOOK AU - Sparrow , W . J TI - Heat U1 - PL86 PY - 1938/// CY - London PB - John Murray Albemarle Street 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 -