R. Tiirmaa

The age of the Ilumetsa meteorite craters in southeast Estonia

K. Kimmel, A. Raukas, E. Kaup, 2001 .

Magnetic fines from the Kaali impact-site (Holocene, Estonia) : Preliminary SEM investigation

F. Marini, A. Raukas, R. Tiirmaa, 2004 .

Pulverized and impactite meteoritic matter in the Kaali crater field.

R. Tiirmaa, A. Aaloe, 1981 .

Tracing the age of the catastrophic impact event in sedimentary sequences around the Kaali meteorite craters on the Island of Saaremaa, Estonia

R. Rajamäe, A. Raukas, R. Pirrus, 1999, PACT 1999.

Kaali Craters of Estonia and Their Meteoritic Material

R. Tiirmaa, 1992 .