UFO Consensus Rosa, Richard J.; Powers, William T.; Vallee, Jacques F. ...
Science (American Association for the Advancement of Science),
1967-Dec-08, Letnik:
158, Številka:
3806
Journal Article
Vertebrate Localities in South Park, Colorado Stark, J. T.; Johnson, J. Harlan; Behre, C. H. ...
Science (American Association for the Advancement of Science),
1936-Apr-03, Letnik:
83, Številka:
2153
Journal Article