Oxford English Dictionary. Second. Oxford University Press, 1989. «1966 G. W. MICHALEC Precision Gearing vii. 324 Generally, involute internal and external teeth are mated, but non~involute splines are also suitable. 1979 Industrial Fasteners Handbk. I. 318 There are two basic forms of spline--straight-sided splines which may number 4, 6, 10 or up to 16 splines equally distributed around the circumference of a shaft, and serrated splines which are in the form of adjacent triangular teeth.»
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Dan Seger. «Inside Splines». Gear Solutions Magazine, January 2005. [Consulta: 6 juliol 2010]. «The externally splined shaft mates with an internal spline that has slots, or spaces, formed in the reverse of the shaft's teeth.»
