Altered states. - Clardy, Mary Karen,; Corporon, Eugene,; Scatterday, Mark; Silvester, William H.,; Byrd, William,; Sierra, Roberto.; Vaughan Williams, Ralph,; Vaughan Williams, Ralph,; Milburn, Dwayne S.; Ticheli, Frank,; Jacob, Gordon,; Grantham, Donald,; et al. (Gia,, 2007)