November 2004, Organization for Economic Cooperation and Development,
(OECD), Principles for the Validation of QSAR Models. Long and short
versions.

Long version can be found at:    HYPERLINK
"http://www.oecd.org/document/4/0,3343,en_2649_34379_42926724_1_1_1_1,00
.html" 
http://www.oecd.org/document/4/0,3343,en_2649_34379_42926724_1_1_1_1,00.
html 

And

Short version can be found at:   HYPERLINK
"http://www.oecd.org/dataoecd/33/37/37849783.pdf" 
http://www.oecd.org/dataoecd/33/37/37849783.pdf 

