TY  - BOOK
ED  - United Nations.
ED  - United Nations.
ED  - United Nations.
TI  - Annual bulletin of trade in chemical products 1989 : : Vol. 16 
T2  - Statistical papers 
U1  - 540 
PY  - 1990///
CY  - New York
PB  - United Nations, 
KW  - Chemistry
KW  - Periodicals
KW  - fast
KW  - Statistics
N1  - Numbers for 1951 called preliminary and 2d-4th issue; Vols. for 1960-1961 issued in 2 pts.: Pt. 1, Imports; Pt. 2, Exports; Each year issued in several fascicles, <1981>-1994
ER  -