@article{PSP:2090088,
    Author = {Thomas, Robin},
    File = {A counter-example to ‘Wagner's conjecture’ for infinite graphs - Thomas (0) (0) - a - a - w.pdf},
    ISSN = {1469-8064},
    Issue = {01},
    Journal = {Mathematical Proceedings of the Cambridge Philosophical Society},
    Keywords = {graphs minors and well quasi-orders},
    Month = {1},
    Pages = {55--57},
    Title = {A counter-example to `Wagner's conjecture' for infinite graphs},
    URL = {http://journals.cambridge.org/article\_S0305004100064616},
    Volume = {103},
    Year = {1988},
    bdsk-url-1 = {http://journals.cambridge.org/article\_S0305004100064616},
    bdsk-url-2 = {http://dx.doi.org/10.1017/S0305004100064616},
    date-added = {2013-08-29 11:58:36 +0000},
    date-modified = {2013-08-29 11:58:49 +0000},
    numpages = {3},
    doi = {10.1017/S0305004100064616}
}

@article{PSP:2090088, Author = {Thomas, Robin}, File = {A counter-example to ‘Wagner's conjecture’ for infinite graphs - Thomas (0) (0) - a - a - w.pdf}, ISSN = {1469-8064}, Issue = {01}, Journal = {Mathematical Proceedings of the Cambridge Philosophical Society}, Keywords = {graphs minors and well quasi-orders}, Month = {1}, Pages = {55--57}, Title = {A counter-example to `Wagner's conjecture' for infinite graphs}, URL = {http://journals.cambridge.org/article_S0305004100064616}, Volume = {103}, Year = {1988}, bdsk-url-1 = {http://journals.cambridge.org/article_S0305004100064616}, bdsk-url-2 = {http://dx.doi.org/10.1017/S0305004100064616}, date-added = {2013-08-29 11:58:36 +0000}, date-modified = {2013-08-29 11:58:49 +0000}, numpages = {3}, doi = {10.1017/S0305004100064616} }