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	Title	Author(s)	Issue Date
	High-resolution Infrared Space Observatory spectroscopy of the unidentified 21 micron feature Journal:Astrophysical Journal Letters	Volk, KKwok, SHrivnak, BJ	1999
	Subarcsecond optical imaging of proto-planetary nebulae Journal:The Astrophysical Journal	Hrivnak, BJLangill, PPSu, KYLKwok, S	1999
	The far-infrared colors of carbon stars revisited Journal:Astronomy and Astrophysics	Egan, MPKwok, SLeung, CMPrice, SD	1996
	Classification and identification of IRAS sources with low-resolution spectra Journal:Astrophysical Journal, Supplement Series	Kwok, SVolk, KBidelman, WP	1997
	Molecular line emissions from the photodissociation region of NGC 7027 Journal:The Astrophysical Journal	Hasegawa, TIKwok, S	2001
	Chemical evolution of carbonaceous materials in the last stages of stellar evolution Journal:Astronomy and Astrophysics	Kwok, SVolk, KHrivnak, BJ	1999
	Test of planetary nebula evolution models by distance-independent parameters Journal:Acta Astronomica	Kwok, S	1997
	Proto-planetary nebulae Journal:Annual Review of Astronomy and Astrophysics	Kwok, S	1993
	The spectra of IC 418 and IC 5117 from 1.5 to 1.75 microns Journal:The Astrophysical Journal	Zhang, CYKwok, S	1992
	Infrared Space Observatory observations of the unidentified 30 micron feature in proto-planetary nebulae Journal:The Astrophysical Journal	Volk, KKwok, SHrivnak, BJSzczerba, R	2002
	High-resolution imaging of proto-planetary nebulae: The effects of orientation Journal:Astronomical Journal	Su, KYLHrivnak, BJKwok, S	2001
	The discovery of circumstellar arcs around two bipolar proto-planetary nebulae Journal:Astronomical Journal	Hrivnak, BJKwok, SSu, KYL	2001
	On the possible bipolar nature of 21 micron IRAS sources Journal:The Astrophysical Journal	Hrivnak, BJKwok, S	1991
	Unusual 3 micron emission features in three proto-planetary nebulae Journal:Astrophysical Journal Letters	Geballe, TRTielens, AGGMKwok, SHrivnak, BJ	1992
	Candidates for extreme carbon stars Journal:The Astrophysical Journal	Volk, KKwok, SLangill, PP	1992
	New low-resolution spectrometer spectra for IRAS sources Journal:Astrophysical Journal, Supplement Series	Volk, KKwok, SStencel, REBrugel, E	1991
	IRAS 22272+5435 - A source with 30 and 21 μm features Journal:Astronomy and Astrophysics	Szczerba, ROmont, AVolk, KCox, PKwok, S	1997
	Trace of planetary nebula evolution by distance-independent parameters Journal:Astrophysical Journal, Supplement Series	Zhang, CYKwok, S	1993
	Energy distributions of symbiotic novae Journal:The Astrophysical Journal	Bryan, GLKwok, S	1991
	On the formation of carbon stars Journal:The Astrophysical Journal	Bryan, GLVolk, KKwok, S	1990