INTERNATIONAL CONCORDANCE BETWEEN THE INDUSTRIAL CLASSIFICATIONS OF THE UNITED NATIONS (ISIC REV3) AND CANADA (1980 SIC), THE EUROPEAN UNION (NACE REV 1), THE UNITED STATES (1987 SIC)
Single copy free 
269pp Order from Economic Planning Staff,
Bureau of the Census, Washington, DC 20233-6100 (Tel. 301-457-2813)
Census contact:
EPCD, 301-457-2813
