TY - JOUR AU - Charles Jaffé CY - Boulder, Colorado DA - 1980-09-04 M1 - 116 N1 - JILA Pub. 2188 PP - Boulder, Colorado PY - 1980 SP - 1 EP - 12 TI - "On the Quantization Condition of Sommerfield and Epstein" by A. Einstein SN - 116 ER -