00677nam a22002051  450000100060000000300080000600500170001400800390003103500190007004000430008904100080013208200220014010000200016224500650018226000430024730000340029050000690032450400410039365000370043417147BD-RjUL20211209000109.0140216t19671963enka     b    001 0 eng  a(BD-RjUL)17204  aDLCcIDeKNdNBrockUdDLCdBD-RjULbeng  aeng  a796bKNS 19632231 aKnapp, Barbara.10aSkill in sport :bthe attainment of proficiency /cB. Knapp.  aLondon :bRoutledge & K. Paul,cc1963.  axii, 204 p. :bill. ;c23 cm.  aStamped on t.-p.: Distributed by Sportshelf, New Rochelle, N. Y.  aBibliography: p. 173-184. and index. 0aPhysical education and training.