TY - JOUR AU - Hassanzadeh, P AU - Irikura, Karl C2 - Journal of Computational Chemistry DA - 1998-12-01 00:12:00 LA - en M1 - 19 PB - Journal of Computational Chemistry PY - 1998 TI - Inexpensive Vibrational Anharmonicities from Estimated Derivatives: Diatomic Molecules ER -