{"leader":"00520naa#a2200169#i#450#","fields":[{"001":"EN\\\\bibl\\51578"},{"005":"20241222152409.7"},{"011":{"ind1":"#","ind2":"#","subfields":[{"a":"2500-3372"}]}},{"100":{"ind1":"#","ind2":"#","subfields":[{"a":"20220705b2022####ek#y0engy0150####ca"}]}},{"102":{"ind1":"#","ind2":"#","subfields":[{"a":"RU"}]}},{"200":{"ind1":"1","ind2":"#","subfields":[{"a":"Labor Productivity of Miners at Open Pits  and Mines of the Kemerovo Region"},{"e":"Journal article"}]}},{"210":{"ind1":"1","ind2":"#","subfields":[{"a":"Kemerovo"},{"c":"Kemerovo State University"},{"d":"2022"}]}},{"215":{"ind1":"#","ind2":"#","subfields":[{"a":"-95 \u00d1\u0081."}]}},{"608":{"ind1":"#","ind2":"#","subfields":[{"a":"Journal article"},{"2":"local"}]}},{"700":{"ind1":"#","ind2":"1","subfields":[{"a":"Batievskaya"},{"g":"V B"}]}},{"700":{"ind1":"#","ind2":"1","subfields":[{"a":"Sokolovskiy"},{"g":"Mihail Vladimirovich"}]}},{"856":{"ind1":"4","ind2":"#","subfields":[{"a":"jsocnet.ru"},{"u":""}]}}]}