004120000a2200145000450000500170000024500590001726000640007630000090014049000440014904000080019336500080020165000140020965000270022365000160025020120302053516.0  a Historical materialism: Theory, methodology, problems  aMoscow:Social Sciences Today, USSR Academy of Sciences,1977  a187p  aProblems of the Contemporary World (55)  aENG  bRs.  aSociology  aHistorical Materialism  aMethodology