SEIDL, F G P Calibration of a Ra+Be neutron source by the B (n, alpha)Li reaction. [electronic resource] - The Review of scientific instruments Dec 1947 - 897-9 p. digital Publication Type: Journal Article ISSN: 0034-6748 Standard No.: 10.1063/1.1740877 doi Subjects--Topical Terms: CalibrationHumansIonsNeutrons