TY - GEN AU - Gupta, A. Das ...[et al.] eds. ED - CIVIL AND ENVIRONMENTAL ENGINEERING CONFERENCE : NEW FRONTIERS & CHALLENGES (1999 : Bangkok) TI - Conference proceedings vol. 5 : water engineering and management pt. 2 PY - 1999/// CY - [Bangkok] PB - Asian Institute of Technology KW - IRRIGATION KW - DRAINAGE KW - WATER RESOURCES KW - HYDRAULICS ER -