TY - ICOMM AU - Jentschura, Ulrich AU - Mohr, Peter C1 - http://physics.nist.gov/hdel C2 - http://physics.nist.gov/hdel DA - 2005-01-01 00:01:00 LA - en PB - http://physics.nist.gov/hdel PY - 2005 TI - Precise theory of levels of hydrogen and deuterium: The two-photon radiative corrections ER -