References

 
• Allamandola, L., Bregman, J., & Sandford, S., et al. 1989, ApJ, 345, L59 NASA ADS  
• Allamandola, L., Hudgins, D., & Sandford, S. 1999, ApJ, 511, L115 NASA ADS  
• Bakes, E., Tielens, A., & Bauschlicher, C. 2001, ApJ, 556, 501 NASA ADS  
• Boulanger, F., & Cox, P. 1998, in Les Houches Summer School LXX, 253  
• Bregman, J., Larson, K., Rank, D., et al. 1994, ApJ, 423, 326 NASA ADS  
• Bregman, J., Hayward, T., & Sloan, G. 2000, ApJ, 544, L75 NASA ADS  
• Buss Jr., R., Tielens, A., Cohen, M., et al. 1993, ApJ, 415, 250 NASA ADS  
• Chiar, J., Adamson, A., Pendleton, Y., et al. 2002, ApJ, 570, 198 NASA ADS  
• Chiar, J., Peeters, E., & Tielens, A. 2002, ApJ, 579, L91 NASA ADS  
• Colthup, N., Daly, L., & Wiberley, S. 1990, Introduction to IR and Raman Spectroscopy (Boston: Acad. Pr.)  
• Crété, E., Giard, M., Joblin, C., et al. 1999, A&A, 352, 277 NASA ADS  
• Geballe, T., Tielens, A., Kwok, S., et al. 1992, ApJ, 387, L29 NASA ADS  
• Guillois, O., Nenner, I., Papoular, R., et al. 1996, ApJ, 464, 810 NASA ADS  
• Hony, S., Van Kerckhoven, Peeters, E., et al. 2001, A&A, 370, 1030 NASA ADS  
• Hudgins, D., & Allamandola, L. 1999, ApJ, 513, L69 NASA ADS  
• Justtanont, K., Barlow, M., Skinner, R., et al. 1996, A&A, 309, 612 NASA ADS  
• Kwok, S., Volk, K., & Bernath, P. 2001, ApJ, 554, L87 NASA ADS  
• Langhoff, S. 1996, J. Phys. Chem., 100, 2819  
• Lin-Vien, et al. 1990, IR and Raman characteristic frequencies of organic molecules (Boston: Acad. Pr.)  
• Molster, F., van den Acker, M., Tielens, A., et al. 1996, A&A, 315, L373 NASA ADS  
• Moutou, C., Verstraete, L., Sellgren, et al. 1999, in The Universe as see by ISO, ed. P. Cox, ESA-SP 427  
• Moutou, C., Verstraete, L., Leger, et al. 2000, A&A, 354, L17 NASA ADS  
• Papoular, R., Conard, J., Guiliano, M., et al. 1989, A&A, 217, 204 NASA ADS  
• Papoular, R. 2001, A&A, 378, 597 NASA ADS  
• Papoular, R. 2001, Spectrochim. Acta A, 57, 947 NASA ADS  
• Peeters, E., Hony, S., Van Kerckhoven, et al. 2002, A&A, 390, 1089 NASA ADS  
• Robertson, D., Brenner, D., & White, C. 1992, J. Phys. Chem., 96, 6133  
• Schlemmer, S., Cook, D., Harrison, J., et al. 1994, Science, 265, 1686 NASA ADS  
• Schrader, B. 1989, Raman and IR Atlas of organic compounds, VCH, Weinheim  
• Sellgren, K. 2001, Spectrochim. Acta A, 57, 627 NASA ADS  
• Sloan, G., Hayward, T., Allamandola, L., et al. 1999, ApJ, 513, L65 NASA ADS  
• Smith, A. (ed.) 1979, Applied IR spectroscopy (Boston: J. Wiley)  
• Sylvester, R., Barlow, M., & Skinner, C. 1994, MNRAS, 266, 640 NASA ADS  
• Thaddeus, P., McCarthy, M., Travers, M., et al. 1998, Faraday Discuss., 109, 121  
• Tielens, A., Wooden, D., Allamandola, L., et al. 1996, ApJ, 461, 210 NASA ADS  
• Tokunaga, A. 1997, ASP Conf. Ser., 124, 149  
• Vermeij, R., Peeters, E., Tielens, A., et al. 2002, A&A, 382, 1042 NASA ADS  
• Verstraete, L., Pech, C., Moutou, C., et al. 2001, A&A, 372, 981 NASA ADS  
• Uchida, K., Sellgren, K., Werner, M., et al. 2000, ApJ, 530, 817 NASA ADS  
• Witteborn, F., Sandford, S., Bregman, J., et al. 1989, ApJ, 341