TY  - BOOK
AU  - Bradt,Hale
AU  - Giacconi,Riccardo
ED  - International Astronomical Union
TI  - X- and gamma-ray astronomy
SN  - 9027703035
PY  - 1973///
CY  - Dordrecht, Holland, Boston
PB  - D. Reidel
KW  - X-ray astronomy
KW  - Congresses
N1  - "Symposium No. 55 held in Madrid, Spain, 11-13 May 1972."; Sponsored by the International Astronomical Union; Includes bibliogr. references
ER  -