TY - JOUR AU - David Tolliver AU - George Kyrala AU - William Wing BT - Physical Review Letters DA - Jan-12-1979 DO - 10.1103/PhysRevLett.43.1719 PY - 1979 SP - 1719 EP - 1722 T2 - Physical Review Letters TI - Observation of the Infrared Spectrum of the Helium-Hydride Molecular Ion 4HeH+ UR - http://link.aps.org/doi/10.1103/PhysRevLett.43.1719 VL - 43 SN - 0031-9007 ER -