k-(BEDT-TTF)2X (X = Cu(NCS)2 and Cu[N(CN)2]Br) における超伝導ゆらぎの面内磁場効果
(Effect of in-plane magnetic field on fluctuating superconductivity in k-(BEDT-TTF)2X (X = Cu(NCS)2 and Cu[N(CN)2]Br) )