1. Member, ASCE
2. Doctoral Candidate, Facu. of Engrg., Univ. of Wollongong, NSW, Australia, 2522.
3. Prof. of Civ. Engrg., Facu. of Engrg., Univ. of Wollongong, NSW, Australia, 2522.
4. Prin. Engr. Dams, Snowy Mountains Engineering Corp., P.O. Box 559 Carnegie VIC, Australia, 3163.