TY  - BOOK
AU  - HEGAZI,N A
TI  - NITROGEN FUXATION WRTH NON LEGUMES / 
U1  - 598.90133 
PY  - 1994///
CY  - [S.N] : 
PB  - THE AMERICAN UNIVERSITY IN CAIRO PRESS ، 
KW  - NAGUIB MAHFOUZ
ER  -