Flexible 3D searching: The directed tweak technique. - Tad Hurst (J. Chem. Inf. Comput. Sci., 1994)

SYBYL Line Notation (SLN): A Versatile Language for Chemical Structure Representation. - Sheila Ash; Malcolm A. Cline; R. Webster Homer; Tad Hurst; Gregory B. Smith (J. Chem. Inf. Comput. Sci., 1997)

SYBYL Line Notation (SLN): A Single Notation To Represent Chemical Structures, Queries, Reactions, and Virtual Libraries. - R. Webster Homer; Jon Swanson; Robert J. Jilek; Tad Hurst; Robert D. Clark (J. Chem. Inf. Model., 2008)