TY  - BOOK
AU  - UNITED NATIONS
ED  - UNITED NATIONS
TI  - "Cement, nitrogenous, fertilizers based on natural Gas"
T2  - Studies in Economics of Industry. 1
U1  - "X9(D35).1.N6, K3" 
PY  - 1963///
CY  - New
PB  - York United Nations U. S. A.  
KW  - Cement Industry
ER  -