00404nam a22001337a 450000500170000000800410001702000080005804100080006608200170007410000200009124501010011126000480021230000100026020260525112450.0260525b        |||||||| |||| 00| 0 eng d  a000  aeng  a542.8bBAI/I  aBair, Edward J.  aIntroduction to Chemical InstrumentationbElectronic Signals and Operationsc/ by Edward J. Bair  aNew York:bMcgraw-Hall Book Company;c1962.  a349p.