@article{ref1,
title="Knowledge of results and explicit instruction: efficiency of learning the crawl stroke in swimming",
journal="Perceptual and motor skills",
year="2002",
author="Rouhana, Joelle and Ferry, Fawzi and Toussaint, Lucette and Boulinguez, Philippe",
volume="95",
number="3",
pages="895-896",
abstract="Specific verbal instructions when added to simple knowledge of results during learning the crawl stroke by 4 adult novices was followed after 1 mo. of no practice by a higher index of swimming than observed for 4 novices given only the qualitative knowledge of results.",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}