Referring to AQUA

In publications of research using the Aqua software please reference:

Laskowski R A, Rullmann J A C, MacArthur M W, Kaptein R & Thornton J M (1996). AQUA and PROCHECK-NMR: Programs for checking the quality of protein structures solved by NMR". J. Biomol. NMR., 8, 477-486.