00273nam a22000977a 450000500170000000800410001702000090005804000080006724500350007526000650011020200904120010.0200904b           ||||| |||| 00| 0 eng d  a7806  cCML  aLiquids and Gases.cElfron, A.  aUnited States of AmericabJohn F. Rider Publisher, Incc1958