Double and Multiple Impact Events on Earth - Hypotheses, Tests, and Problems
Journal article published in 2012 by
M. Schmieder 
,
Wh H. Schwarz,
E. Buchner,
Lj J. Pesonen,
M. Lehtinen,
M. Trieloff
,
Wh H. Schwarz,
E. Buchner,
Lj J. Pesonen,
M. Lehtinen,
M. Trieloff
