@article{ref1,
title="Time taken as a determinant of advancement in Shotokan karate black-belt Heian kata performance",
journal="Perceptual and motor skills",
year="1999",
author="Layton, C. and Avenell, L.",
volume="89",
number="3",
pages="1110-1110",
abstract="30 experienced black-belt subjects were individually timed on each of the five Heian kata. Significant relationships were found between years of training and increased performance time on all the kata and for four with age controlled. The multiple correlation was significant.<p /><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}