TY - BOOK AU - Wiese, W. L AU - Miles, B. M AU - Smith, M. W TI - Atomic transition probabilities: vol. 2, sodium through calcium T2 - National standard reference data series NSRDS-NBS; v. 4 PY - 1969/// CY - Washington PB - U. S. Department of Commerce KW - Atomic Transition Probabilities KW - Tables ER -