Kwok, S. 2003, Introductory Review, IAU Symp. 191 (pdf file)

Kwok, S. 2003, Synthesis of Organic Compounds in the Circumstellar Environment, IAU Symp. 213 (pdf file)

Kwok, S. 2003, From Stardust to Meteorites: the synthesis of inorganic and organic grains in AGB and post-AGB stars, IAU Symp 213 (pdf file)

Kwok, S., Volk, K., and Hrivnak, B.J. 2002, Subarcsec mid-IR imaging of two post-AGB 21micron sources, ApJ, 573, 720 (pdf file)

Volk, K., Kwok, S. Hrivank, B.J., Szczerba, R. 2002, Infrared Space Observatory Observations of the Unidentified 30 Micron Feature in Proto-Planetary Nebulae, ApJ, 567, 412 (pdf file)

Kwok, S. 2001, Interacting Winds and the Shaping of Planetary Nebulae, invited review at the Workshoop on Interacting Winds from Massive Stars, Les Iles-de-la-Madeleine, 2000 (postscript file)

Kwok, S. 2001, Introductory Review: Proto-Planetary Nebulae as a Phase of Stellar Evolution, Torun 2000 (postscript file)

Kwok, S., Su, K.Y.L., Stoesz, J.A. 2001, Circumstellar Arcs in AGB and Post-AGB Stars (postscript file)

Kwok, S. 2001, Chemical Synthesis in the Circumstellar Environment (pdf file)

Hrivnak, B.J., Kwok, S., Su, K.Y.L. 2001, the Shape and Shaping of PPN (postscript file)

Kwok, S., Hrivnak, B.J., Su, K.Y.L. 2000, Discovery of a Disk-Collimated Bipolar Outflow in the PPN IRAS 17106-3046 (pdf file)

Volk, K., Xiong, G.-Z., Kwok, S. 2000, ISO Spectroscopy of Extreme Carbon Stars, ApJ, 530, 408 (pdf file)

Hasegawa, T.I., Volk, K., Kwok, S. 2000, A Chemical Model of the Neutral Envelope of the Planetary Nebula NGC 7027, ApJ, 532, 994 (pdf)

Hrivnak, B.J., Volk, K., Kwok, S. 2000, ISO 2-45 micron Spectroscopy of Carbon-rich PPN, ApJ, 535, 275 (pdf file)

Leahy, D.A., Kwok, S. Yin, D. 2000, Extended x-ray Emission from the Planetary Nebula BD+303639, ApJ, 540, 442 (pdf file)

Kwok, S., Volk, K., Hrivnak, B.J. 1999, Chemical Evolution of Carbonaceous Materials in the Last Stages of Stellar Evolution, A&A, 350, L35 (pdf file)

Hrivnak, B.J., Kwok, S., & Su, K.Y.L. The Discovery of Circumstellar Arcs Around Two More Bipolar Proto-planetary nebulae, Astron. J., 121, 2775 (2001) (pdf file)

Kwok, S. Proto-Planetary Nebulae, in Encyclopedia of Astronomy and Astrophysics, IOP publishing, p. 2168 (2001)

Kwok, S., Volk, K., and Bernath, P. On the Origin of the Infrared Plateau Features in Proto-Planetary Nebulae, Astrophys. J., 554, L (2001) (pdf file)

Su, K.Y.L., Hrivnak, B.J., and Kwok, S. High-Resolution Imaging of Proto-Planetary Nebulae: The effects of Orientation, Astron. J., in press (2001)