@article{10_1017_S0008439500025558,
     author = {Schwerdtfeger, H.},
     title = {String {Figures} and other monographs, {Chelsea,} {New} {York,} 1960. $3.95. - String Figures, by W.W.R. Ball. Third edition, 1920. 72 pages. - Methods and Theories for the Solution of Problems of Geometrical Construction, by J. Petersen (translated from the Danish). 1879. 102 pages. - The Elements of Non-Euclidean Plane Geometry and Trigonometry, by H. S. Carslaw. 1916, 179 pages. - History of the Logarithmic Slide Rule and Allied Instruments, by F. Cajori. 1909. 136 pages.},
     journal = {Canadian mathematical bulletin},
     pages = {199--200},
     year = {1960},
     volume = {3},
     number = {3},
     doi = {10.1017/S0008439500025558},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500025558/}
}