TY  - BOOK
AU  - Sheldrick, WF
AU  - Constant, KM
TI  - World Bank Technical Paper No.174 World Nitrogen Survey
U1  - 338.4766824/Con 
PY  - 0000///0
CY  - 
PB  - The World Bank Washington D.C
KW  - Market Surveys
KW  - Nitrogen Industries
ER  -