00862nam a2200241 a 450000100060000000300080000600500170001400800410003103500190007204000350009104100080012608200260013410000260016024500320018626000450021830000310026350000660029460000550036065000230041594200120043899900170045095201530046769227BD-RjUL20211209081849.0170410s1948    enka          000 0beng d  a(BD-RjUL)69438  dBD-RjULaBD-RjULbengcBD-RjUL  aeng  223a530.092bYOL 19481 aYoung, A. P. 920510310aLord Kelvin /cA. P. Young.  aLondon :blongmans, Green and com,c1948  av, 41 p. :bill. ;c23 cm.  aAt head of cover : International electrotechnical commission.  aKelvin, William Thomson, Baron,d1824-19079207195  aPhysicists9154692  2ddccBK  c69227d69227  00102ddc40718NFICaRUCLbRUCLcReadingd1961-06-30eDhaka: British Council g0.00l0o530.092 YOL 1948r2017-04-10 00:00:00tC-1w2021-12-09yBK