d STB-2 gr5. Triangle plot for soil texture. d STB insert by Francesco Danuso, Ph.D., d Universita degli Studi di Udine, Istituto di Produzione d Vegetale, Udine, Italy. d Support: FAX (011)-39-432-558603 (Danuso) d 602-860-1446 (STB Editor) d After installation, see help ^triatex^. f gr5/triatex.ado f gr5/triatex.hlp f gr5/protex.dta f gr5/triatex.dta