The data shown in the table arenormally derived from regular inquiries orreports on wholesale and retail trade orfrom infrequent censuses in this field andhave been collected in most cases throughdirect correspondence...The data shown in the table arenormally derived from regular inquiries orreports on wholesale and retail trade orfrom infrequent censuses in this field andhave been collected in most cases throughdirect correspondence with the countriesconcerned. For references to the relatednational sources of data,readers shouldconsult Bibliography of Industrial展开更多
文摘The data shown in the table arenormally derived from regular inquiries orreports on wholesale and retail trade orfrom infrequent censuses in this field andhave been collected in most cases throughdirect correspondence with the countriesconcerned. For references to the relatednational sources of data,readers shouldconsult Bibliography of Industrial