TY  - RPRT
TI  - INTEGRAL core programme
AU  - Gehrels, N.
AU  - Schoenfelder, V.
AU  - Ubertini, P.
AU  - Winkler, C.
PY  - 1997
UR  - https://ntrs.nasa.gov/citations/19970025852
ID  - 19970025852
ER  -