TY - GEN AU - Strässle,S AU - Roos,J AU - Mali,M AU - Keller,H AU - Ohno,T TI - Lack of evidence for orbital-current effects in the high-temperature Y2Ba4Cu7O15-delta superconductor using 89Y nuclear magnetic resonance SN - 0031-9007 PY - 2009///0203 N1 - Publication Type: Journal Article UR - https://doi.org/10.1103/PhysRevLett.101.237001 ER -