Richard Greenberg
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Thomas William Glaser,
Richard Greenberg,
Hjalmar Holmboe Ottesen,
1990
.
Thomas William Glaser,
Richard Greenberg,
Christopher Henry Bajorek,
1990
.
Dana Henry Brown,
Kevin Jack Erickson,
Hal Hjalmar Ottesen,
1993
.
Dana Henry Brown,
Earl Albert Cunningham,
Gordon James Smith,
1994
.
Thomas William Glaser,
Avijit Mukherjee,
John S. Best,
1991
.
Richard Greenberg,
Richard Greenberg,
2004
.
Richard Greenberg,
1992
.
Richard Greenberg,
Richard Greenberg,
C. Van Laerhoven,
2011,
1108.5149.
Richard Greenberg,
H. Melosh,
Richard Greenberg,
2004,
Science.