var baker_lupton90 = "Baker, E. T. and Lupton, J. E. <i>Nature </i><b>346</b>, 556-558 (1990). ";
var baker_etal87 = "Baker, E. T., Massoth, G. J. and Feely, R. A. <i>Nature </i><b>329</b>, 149-151 (1987).";
var baker_etal89 = "Baker, E. T. <i>et al. J. Geophys. Res</i>. <b>94</b>, 9237-9250 (1989). ";
var bergman_solomon90 = "Bergman, E. A. and Solomon, S. C. <i>J. Geophys. Res</i>. <b>95</b>, 4943-4965 (1990). ";
var bjornsson85 = "Björnsson, A. <i>J. Geophys. Res</i>. <b>90</b>, 10151-10162 (1985). ";
var bjornsson_etal79 = "Björnsson, A., Johnsen, G., Sigurdsson, S., Thorbergsson, G. and Tryggvason, E. <i>J. Geophys. Res</i>. <b>84</b>, 3029-3038 (1979). ";
var cann_strens89 = "Cann, J. R. and Strens, M. R. <i>J. Geophys. Res</i>. <b>94</b>, 12227-12237 (1989). ";
var embley_chadwick90 = "Embley, R. W, and Chadwick, W. W. Jr. <i>EOS Trans. Am. Geophys. Un</i>. <b>71</b>, 259 (1990). ";
var embley_etalinpress = "Embley, R. W., Chadwick, W W. Jr., Perfit, M. R. and Baker, E. T. <i>Geology</i> (in the press). ";
var macdonald_etal89 = "Macdonald, K. C., Haymon, R. and Shor, A. <i>Geology </i><b>17</b>, 212-216 (1989). ";
var moore_etal80 = "Moore, R. B. <i>et al. J. Volcan. Geotherm. Res</i>. <b>7</b>, 189-210 (1980). ";
var nishimura_etal89 = "Nishimura, C. E., Vogt, P. R., Smith, L. and Boyd, J. D. <i>EOS Trans. Am. Geophys. Un. </i><b>70</b>, 1301 (1989). ";
var shor_etal90 = "Shor, A. N., Nishimura, C. E., Czarnecki, M. and Vogt, P. R. <i>Eos Trans. Am. Geophys. Un</i>, <b><b>71</b></b>, 1602 (1990). ";
var sigurdsson87 = "Sigurdsson, H. <i>Geol Assoc. Canada Spec. Pap</i>. <b>34</b> (eds Hall, H. C. and Fahrig, W. F.) 55-64 (Geological Assocation of Canada, St John\'s, Newfoundland, 1987). ";
