Ptolemy
Thomson Gale
Paul R. Wolf
Greenberg, Michael D.
Murray R. Spiegel
Martín Cortés
K. R. McClay
Qihe H. Yang
Jay Kappraff
International Geological Congress (30th 1996 Beijing, China)
Robert J. Lang
Andrew B. Lawson
Prem K. Kythe
Dan Pascali
Ravi P. Agarwal
Patrice Le Calvez
Rongling Wu
Mitchell, Robert
John Sulston