Mikrocensus 1971, 3. quarter: Motor Vehicle, Holiday Trips

This special survey contains two objects from the field of traffic statistics: motor vehicle and holiday trips motor vehicle: A comprehensive inventory statistic on all...本专项调查涵盖交通统计领域的两类研究对象：机动车（motor vehicle）与假日出行机动车（holiday trips motor vehicle）：针对全部……开展的全面清查统计。