TY  - BOOK
AU  - EL-KHOLY,OSAMA A.
AU  - TOLBA,MOSTAFA K.
TI  - THE WORLD ENVIRONMENT 1972-1992: TWO DECADES OF CHALLENGE / 
U1  - 363.73 
PY  - 1992///
CY  - [S.N] : 
PB  - CHAPMAN & HALL ، 
KW  - ENVIRONMENT
KW  - POLLUTION
KW  - ENVIRONMENTAL SCIENCE
ER  -