The galactic supernova rate from COMPTEL $^44$Ti $γ$-line observations
Proceedings article published in 2000 by
The L.-S.,
R. Diehl 
,
D.~H Hartmann,
A.~F Iyudin,
M.~D Leising,
U. Oberlack
,
D.~H Hartmann,
A.~F Iyudin,
M.~D Leising,
U. Oberlack
