00351cam a2200145ua 4500020000900000041001000009082001800019100001900037245005600056250001200112260005500124300001200179365000900191504000500200  c7.20  aengh  a531.3bRAM/DY  aRamsey, A S  .  aDynamics, Part 2 / cA S Ramsey.hTextual Documents  a2 / b.  aLondon : bEnglish Language Book Society , c1961.  a344 ; .  a7.20  a