Classification by broad economic categories /
- New York : United Nations, 1971.
- xi, 28 p. ; 28 cm.
- Statistical papers. Series M ; no. 53 .
"United Nations. Publication. Sales no.: E.71.XVII.12."
70031484
Commercial products--Classification.
JX1977 HF1041 / .A2 ST/STAT/Ser. M/53
338 / UNC
"United Nations. Publication. Sales no.: E.71.XVII.12."
70031484
Commercial products--Classification.
JX1977 HF1041 / .A2 ST/STAT/Ser. M/53
338 / UNC