60.

JANKA, GABRIEL: Die Einwirkung von Suess- und Salzwaessern auf die
gewerblichen Eigenschaften der Hauptholzarten. I. Teil.
Untersuchungen u. Ergebnisse in mechanisch-technischer Hinsicht.
Mitt. a. d. forst. Versuchswesen Oesterreichs, 33. Hft., Wien,
1907.

----: Results of trials with timber carried out at the Austrian
forestry testing-station at Mariabrunn. Proc. Int. Assn. Test.
Mat., 1906, Disc. 2 _e_, pp. 7.

----: Ueber die an der k. k. forstlichen Versuchsanstalt
Mariabrunnen gewonnenen Resultate der Holzfestigkeitspruefungen.
Zeitschrift d. Oesterr. Ing. u. Arch. Ver., Wien, Aug. 9, 1907.

----: Ueber Holzhaerteprufueng. Centralblatt f. d. ges.
Forstwesen, Wien, 1908, pp. 443-456.

----: Testing the hardness of wood by means of the ball test.
Proc. Int. Assn. Test. Mat., 1912, XXIII_{3}.

JENNY, K.: Untersuchungen ueber die Festigkeit der Hoelzer aus den
Laendern der ungarischen Krone. Budapest, 1873.

JOHNSON, J.B.: Time tests of timber in endwise compression.
Paper before Section D, Am. Assn. for Adv. of Sci., Aug., 1898.

JOHNSON, WALTER B.: Experiments on the adhesion of iron spikes
of various forms when driven into different species of timbers.
Jour. Franklin Inst., Vol. XIX (n.s.), 1837, pp. 281-292.

JULIUS, G.A.: Western Australia timber tests, 1906. The physical
characteristics of the hardwoods of Western Australia. Perth,
1906, pp. 36.

----: Supplement to the Western Australia timber tests, 1906.
The hardwoods of Australia. Perth, 1907, pp. 6.

KARMARSH, CARL: Handbuch der mechanischen Technologie. I. Aufl.,
1837; V. Aufl., 1875; verm. von H. Fisher, 1888.

KIDDER, F.E.: Experiments on the transverse strength of southern
and white pine. Van Nostrand's Eng. Mag., Vol. XXII, 1880, pp.
166-168.

----: Experiments on the strength and stiffness of small spruce
beams. _Ibid._, Vol. XXIV, 1881, pp. 473-477.

----: Experiments on the fatigue of small spruce beams. Jour.
Franklin Inst., Vol. CXIV, 1882, pp. 261-279.

KIDWELL, EDGAR: The efficiency of built-up wooden beams. Trans.
Am. Inst. Min. Eng., Feb., June, 1898.

KIRKALDY, WM. G.: Illustrations of David Kirkaldy's system of
mechanical testing. London, 1891.

KUMMER, FREDERICK A.: The effects of preservative treatment on
the strength of timber. Proc. Am. Soc. Test. Mat., Vol. IV,
1904, pp. 434-438.

LABORDERE, P., and ANSTETT, F.: Contribution to the study of
means for improving the strength of wood for pavements. Proc.
In