http://www.erowid.org/chemicals/amt/
http://leda.lycaeum.org/Chemicals/AMT.168.shtml
http://www.pooterland.com/index2/looking_glass/merry_pranksters/body_merry_pranksters
... also called the roots of the equation. The formula reads <math> x=\frac{-b \pm \sqrt {b^2-4ac}}{2a} </math> The term b2 – 4ac is called the ...