Welcome-1 References

 Balloon experiments in Brazil between 1989-1992 

Upperlimit on ⁵⁷Co line emission from SN1987A: Gunji, S., et al.1992, ApJL

First detection of hard X-ray pulsation in PSRB1509: Gunji, S. et al. 1994, ApJ

Detection of a spectral break in Cen A hard X-ray: Miyazaki, S. et al. 1996, PASJ

First measurement on diffuse Galactric Ridge hard X-ray emission: Yamasaki, N., et al, 1997, ApJ