1. CO Isotopes in Planetary Nebulae
2. Properties of OH/IR stars with IRAS LRS spectra
3. Claussen, M., Sahai, R., & Morris, M. 2004, in Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, ed. M. Meixner, J. H. Kastner, B. Balick, & N. Soker, ASP Conf. Ser., 313, 331