Engineering geological investigations for construction. Part. I. General regulations for carrying out work
Инженерно-геологические изыскания для строительства. Часть I. Общие правила производства работ |
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SP 11-105-97.4Engineering Geological Surveys for … |
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SP 11-105-97.3Engineering Geological Surveys for … |
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SP 11-105-97.2Engineering-geological surveys for … |