. . . "The effect of nitrilotriacetic acid <NTA> on the structure and functioning of aquatic communities in streams" . . . . . "The Effect of nitrilotriacetic acid (NTA) on the structure and functioning of aquatic communities in streams"@en . "The Effect of nitrilotriacetic acid (NTA) on the structure and functioning of aquatic communities in streams" . . . . "EPA 600 3 80 050" . . . . . . . .