<?xml version="1.0" encoding="UTF-8"?>
<mods xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/mods/v3" version="3.1" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-1.xsd">
  <titleInfo>
    <title>Low-cost instrumentation based on operational amplifiers for potentiometry and conductometry with illustrative experiments</title>
  </titleInfo>
  <name type="corporate">
    <namePart>UNESCO</namePart>
  </name>
  <typeOfResource>text</typeOfResource>
  <originInfo>
    <place>
      <placeTerm type="code" authority="marccountry">xxu</placeTerm>
    </place>
    <place>
      <placeTerm type="text">Place of publication not identified]</placeTerm>
    </place>
    <publisher>International Union of Pure and Applied Chemistry, Committee on Teaching of Chemistry</publisher>
    <dateIssued>190?</dateIssued>
    <issuance>monographic</issuance>
  </originInfo>
  <language>
    <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
  </language>
  <physicalDescription>
    <form authority="marcform">print</form>
    <extent>x, 82 p. : ill. ; 32 cm.</extent>
  </physicalDescription>
  <note type="statement of responsibility">UNESCO</note>
  <subject>
    <topic>Chemical apparatus</topic>
  </subject>
  <classification authority="ddc" edition="23">542.1 LOW 190?</classification>
  <recordInfo>
    <recordContentSource authority="marcorg">BD-RjUL</recordContentSource>
    <recordCreationDate encoding="marc">170522</recordCreationDate>
    <recordChangeDate encoding="iso8601">20211209082310.0</recordChangeDate>
    <recordIdentifier source="BD-RjUL">72685</recordIdentifier>
    <languageOfCataloging>
      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
    </languageOfCataloging>
  </recordInfo>
</mods>
