TY - JOUR AU - Ludwig Oster BT - Astrophysics and Space Science DA - Jan-12-1968 DO - 10.1007/BF02175920 PY - 1968 SP - 438 EP - 447 T2 - Astrophysics and Space Science TI - Stimulated Compton effect and quasi-stellar objects VL - 2 SN - 0004-640X ER -