*0011507689 *008860416s1985 xx# 000 0 nob *019 $bk *08230$a797.2 *100 $aNybakken, Bjørn$_145189100 *245 $aButterfly = bryst eller ikke?$cav Bjørn Nybakken *300 $aS. 27-28 *773 $tKroppsøving$gÅrg. 35, nr 7 (1985)$x0333-0141$w(NO-LaBS)308003(tnr) *999 $z8600075159$anorart:8600075159 ^