INVESTIGATION OF GAMMA RADIATION FROM THE CRAB PULSARKETTENRING G; MAYER HASSELWANDER HA; PFEFFERMAN E et al.sdIN: COSMIC RAYS. 12TH INT. CONF. HOBART, TASMANIA, AUST., 1971; HOBART, TASMANIA; MERCURY WALCH; DA. S.D.; VOL. 1; PP. 57-62; BIBL. 13REF.Conference Paper

A TAGGED GAMMA-RAY BEAM FOR THE CALIBRATION OF INSTRUMENTS FOR GAMMA-RAY ASTRONOMY.CHRIST H; PETERS F; BIGNAMI GF et al.1974; NUCL. INSTRUM. METHODS; NETHERL.; DA. 1974; VOL. 116; NO 3; PP. 477-485; BIBL. 10 REF.Article