TY - GEN AU - Siegbahn, Kai AU - Howard, F. T. AU - TI - SECTOR-FOCUSED CYCLOTRONS U1 - 539.733 PY - 1963/// CY - Amsterdam PB - North-Holland Pub. Co. KW - Cyclotron. Congresses N1 - Reprinted From : Nuclear Instruments & Methods. V. 18, 19, 1962 ER -