@article {OA1991,
	title = {An Electronic System for Rowers{\textquoteright} Propulsion Motion Activities Studies},
	journal = {Problems of the Physical Culture and Sport (now: "Sport and Science Magazine")},
	number = {2},
	year = {1986},
	month = {February},
	pages = {13{\textendash}17},
	url = {http://oa.uninova.pt/1991/},
	author = {Vasil Vasilev and Vihren Batchev and Mihail Milev and Stanimir Valtchev and Alexander Tatzov}
}
