TY  - JOUR
T1  - An Extract of a Letter from Dr. Wallis, of May 4. 1697, Concerning the Cycloeid Known to Cardinal Cusanus, about the Year 1450; and to Carolus Bovillus about the Year 1500
JF  - Philosophical Transactions (1683-1775)
VL  - 19
SP  - 561
EP  - 566
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1695.0098
M3  - doi:10.1098/rstl.1695.0098
AU  - Wallis, D.
ER  -