TY  - BOOK
ED  - I C I D                                                                                                                                                                                                                                                        . 
TI  - Fourteenth international congress on irrigation and drainage , Brazil  vol-1-E 
U1  - 627.52 
PY  - 1990///
CY  -  : 
PB  - ICID and CIID , 
N1  - 20269 Ref
ER  -