References

 
• Anders, E., & Grevesse, N. 1989, Geochim. Cosmochim. Acta, 53, 197  
• Alexander, D. R., & Ferguson, J. W. 1994, ApJ, 437, 879A NASA ADS  
• Bridger, A. 1984, Cepheids: Theory & Observations, IAU Coll., 82, 246  
• Christy, F. 1966, ARA&A, 4, 353 NASA ADS  
• Drilling, J. S., Jeffery, C. S., & Heber, U. 1998, A&A, 329, 1019 NASA ADS  
• Drilling, J. S. 1980, ApJ, 242, L43 NASA ADS  
• Fadeyev, Yu. A., & Lynas-Gray, A. E. 1996, MNRAS, 280, 427 NASA ADS  
• Grevesse, N., & Noel, A. 1993, Origin and Evolution of the Elements, ed. N. Pratzo, E. Vangioni-Flam, & M. Casse (Cambridge: Cambridge Univ. Press), 15 (GN93)  
• Hill, P. W., Kilkenny, D., Schönberner, D., & Walker, H. J. 1981, MNRAS, 197, 81 NASA ADS  
• Holweger, H., Heise, C., & Kock, M. 1990, AA, 232, 510 NASA ADS  
• Iglesias, C. A., & Rogers, F. J. 1996, ApJ, 464, 943 NASA ADS  
• Jeffery, C. S., & Heber, U. 1992, A&A, 260, 133 NASA ADS  
• Jeffery, C. S. 1996, ASP Conf. Ser., 96, 152  
• Jeffery, C. S., & Saio, H. 1999, MNRAS, 308, 221 NASA ADS  
• Jeffery, C. S., Hill, P. W., & Heber, U. 1999, A&A, 346, 491 NASA ADS  
• Jeffery, C. S., Woolf, V. M., & Pollacco, D. 2001, A&A, 376, 497 NASA ADS  
• Kilkenny, D., & Koen, C. 1995, MNRAS, 275, 327 NASA ADS  
• Kilkenny, D., Koen, C., Jeffery, C. S., Hill, N. C., & O'Donoghue, D. 1999, MNRAS, 310, 1119 NASA ADS  
• Landolt, A. U. 1975, ApJ, 196, 789 NASA ADS  
• Lynas-Gray, A. E., Schönberner, D., Hill, P. W., & Heber, U. 1984, MNRAS, 209, 387 NASA ADS  
• Montañés Rodríguez, P., & Jeffery, C. S. 2001, A&A, 375, 411 NASA ADS  
• Saio, H. 1985, ApJ, 295, 38S NASA ADS  
• Saio, H. 1990, ASP Conf. Ser., 557  
• Saio, H. 1993, MNRAS, 260, 465 NASA ADS  
• Saio, H. 1995, MNRAS, 277, 1393 NASA ADS  
• Saio, H., & Jeffery, C. S. 2000, MNRAS, 313, 671 NASA ADS  
• Stellingwerf, R. F. 1975, ApJ, 195, 441 NASA ADS  
• Stürenburg, S., & Holweger, H. 1990, A&A, 237, 125 NASA ADS  
• Woolf, V. M., & Jeffery, C. S. 2000, A&A, 358, 1001 NASA ADS