@article{ref1,
title="A solution, given by Mr. John Collins of a chorographical probleme, proposed by Richard Townley Esq. who doubtless hath solved the same otherwise",
journal="Philosophical transactions of the Royal Society of London (1665)",
year="1671",
author="Collins, John",
volume="6",
number="69",
pages="2093-2096",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0370-2316",
doi="",
url="http://dx.doi.org/"
}