Hello, I am doing research on Vietnam environment and like to obtain addresses fot the following scientists: PTS Nguye^~n Sinh Cu'c To^?ng Cu.c Tho^'n g Ke^ PTS Nguye^~n The^' Tho^n Vie^.n Ddi.a Ly' GS Ho^` Va(n Tho^ng Vie^.n Chi'nh Tri. quo^'c gia HCM TS Nguye^~n Va(n Huy`nh DH Ca^n Tho+ Thank you, Pha.m Phan Long lppham@ix.netcom.com