SEARCH FOR COSMIC GAMMA RADIATION WITH A VIDICON SPARK CHAMBER

[1] SPARK-CHAMBER EXPERIMENT ON COSMIC GAMMA RAYS [J]. PHYSICAL REVIEW LETTERS, 1965, 15 (12) : 507 - &

[2] APPLICATION OF VIDICON SPARK CHAMBER TO GAMMA-RAY ASTRONOMY FROM HIGH-ALTITUDE BALLOONS AND SATELLITES [J]. CANADIAN JOURNAL OF PHYSICS, 1968, 46 (10P3) : S456 - &

[3] UPPER LIMITS TO COSMIC UPSILON RAYS IN RANGE 30 TO 500 MEV [J]. PHYSICAL REVIEW LETTERS, 1966, 17 (13) : 733 - &

[4] HELMKEN HF, 1966, IEEE T NUCL SCI, VNS13, P486

[5] HELMKEN HF, 1964, THESIS MASSACHUSETTS

[6] EXPLORER 11 EXPERIMENT ON COSMIC GAMMA RAYS [J]. ASTROPHYSICAL JOURNAL, 1965, 141 (03) : 845 - &

[7] STECKER FW, 1967, 260 SMITHS ASTR OBS, P39

[1] SPARK-CHAMBER EXPERIMENT ON COSMIC GAMMA RAYS [J]. PHYSICAL REVIEW LETTERS, 1965, 15 (12) : 507 - &

[2] APPLICATION OF VIDICON SPARK CHAMBER TO GAMMA-RAY ASTRONOMY FROM HIGH-ALTITUDE BALLOONS AND SATELLITES [J]. CANADIAN JOURNAL OF PHYSICS, 1968, 46 (10P3) : S456 - &

[3] UPPER LIMITS TO COSMIC UPSILON RAYS IN RANGE 30 TO 500 MEV [J]. PHYSICAL REVIEW LETTERS, 1966, 17 (13) : 733 - &

[4] HELMKEN HF, 1966, IEEE T NUCL SCI, VNS13, P486

[5] HELMKEN HF, 1964, THESIS MASSACHUSETTS

[6] EXPLORER 11 EXPERIMENT ON COSMIC GAMMA RAYS [J]. ASTROPHYSICAL JOURNAL, 1965, 141 (03) : 845 - &

[7] STECKER FW, 1967, 260 SMITHS ASTR OBS, P39