TY - RPRT TI - Limits on composition-dependent interactions using a laboratory source: Is there a "fifth force" coupled to isospin? AU - CW Stubbs AU - EG Adelberger AU - BR Heckel AU - WF Rogers AU - HE Swanson AU - R Watanabe AU - JH Gundlach AU - FJ Raab PY - 1989 DO - 10.1103/physrevlett.62.609 UR - https://pubmed.ncbi.nlm.nih.gov/10040283/ ID - 10040283 ER -