{"leader":"00498naa#a2200169#i#450#","fields":[{"001":"EN\\INFRA-M\\bibl\\3325"},{"005":"20241224170859.2"},{"011":{"ind1":"#","ind2":"#","subfields":[{"a":"2305-7807"}]}},{"100":{"ind1":"#","ind2":"#","subfields":[{"a":"20140815b2014####ek#y0engy0150####ca"}]}},{"101":{"ind1":"0","ind2":"#","subfields":[{"a":"ENG"}]}},{"102":{"ind1":"#","ind2":"#","subfields":[{"a":"RU"}]}},{"200":{"ind1":"1","ind2":"#","subfields":[{"a":"Historical Transformation of the \u00c2\u00abLabour Efficiency\u00c2\u00bb Scientific Category"},{"e":"Journal article"}]}},{"210":{"ind1":"1","ind2":"#","subfields":[{"a":"Moscow"},{"c":"INFRA-M Academic Publishing LLC."},{"d":"2014"}]}},{"215":{"ind1":"#","ind2":"#","subfields":[{"a":"3 \u00d1\u0081."}]}},{"608":{"ind1":"#","ind2":"#","subfields":[{"a":"Journal article"},{"2":"local"}]}},{"700":{"ind1":"#","ind2":"1","subfields":[{"a":"Grechnikova"},{"g":"S. "}]}},{"856":{"ind1":"4","ind2":"#","subfields":[{"a":"naukaru.ru"},{"u":""}]}}]}