Ander, Mark E.; Zumberge, Mark A.; Lautzenhiser, Ted; Parker, Robert L.; Aiken, Carlos L. V.; Gorman, Michael R.; Nieto, Michael Martin; Cooper, A. Paul R.; Ferguson, John F.; Fisher, Elizabeth; McMechan, George A.; Sasagawa, Glenn; Stevenson, J. Mark; Backus, George; Chave, Alan D.; Greer, James; Hammer, Phil; Hansen, B. Lyle; Hildebrand, John A.; Kelty, John R.; Sidles, Cyndi; Wirtz, Jim (27 February 1989). "Test of Newton's inverse-square law in the Greenland ice cap". Physical Review Letters. 62 (9): 985–988. Bibcode:1989PhRvL..62..985A. doi:10.1103/PhysRevLett.62.985. PMID10040395.
Zumberge, Mark A.; Ander, Mark E.; Lautzenhiser, Ted V.; Parker, Robert L.; Aiken, Carlos L. V.; Gorman, Michael R.; Nieto, Michael Martin; Cooper, A. Paul R.; Ferguson, John F.; Fisher, Elizabeth; Greer, James; Hammer, Phil; Hansen, B. Lyle; McMechan, George A.; Sasagawa, Glenn S.; Sidles, Cyndi; Stevenson, J. Mark; Wirtz, Jim (1990). "The Greenland Gravitational Constant Experiment". Journal of Geophysical Research. 95 (B10): 15483. Bibcode:1990JGR....9515483Z. doi:10.1029/JB095iB10p15483.
Ander, Mark E.; Zumberge, Mark A.; Lautzenhiser, Ted; Parker, Robert L.; Aiken, Carlos L. V.; Gorman, Michael R.; Nieto, Michael Martin; Cooper, A. Paul R.; Ferguson, John F.; Fisher, Elizabeth; McMechan, George A.; Sasagawa, Glenn; Stevenson, J. Mark; Backus, George; Chave, Alan D.; Greer, James; Hammer, Phil; Hansen, B. Lyle; Hildebrand, John A.; Kelty, John R.; Sidles, Cyndi; Wirtz, Jim (27 February 1989). "Test of Newton's inverse-square law in the Greenland ice cap". Physical Review Letters. 62 (9): 985–988. Bibcode:1989PhRvL..62..985A. doi:10.1103/PhysRevLett.62.985. PMID10040395.
Zumberge, Mark A.; Ander, Mark E.; Lautzenhiser, Ted V.; Parker, Robert L.; Aiken, Carlos L. V.; Gorman, Michael R.; Nieto, Michael Martin; Cooper, A. Paul R.; Ferguson, John F.; Fisher, Elizabeth; Greer, James; Hammer, Phil; Hansen, B. Lyle; McMechan, George A.; Sasagawa, Glenn S.; Sidles, Cyndi; Stevenson, J. Mark; Wirtz, Jim (1990). "The Greenland Gravitational Constant Experiment". Journal of Geophysical Research. 95 (B10): 15483. Bibcode:1990JGR....9515483Z. doi:10.1029/JB095iB10p15483.
Ander, Mark E.; Zumberge, Mark A.; Lautzenhiser, Ted; Parker, Robert L.; Aiken, Carlos L. V.; Gorman, Michael R.; Nieto, Michael Martin; Cooper, A. Paul R.; Ferguson, John F.; Fisher, Elizabeth; McMechan, George A.; Sasagawa, Glenn; Stevenson, J. Mark; Backus, George; Chave, Alan D.; Greer, James; Hammer, Phil; Hansen, B. Lyle; Hildebrand, John A.; Kelty, John R.; Sidles, Cyndi; Wirtz, Jim (27 February 1989). "Test of Newton's inverse-square law in the Greenland ice cap". Physical Review Letters. 62 (9): 985–988. Bibcode:1989PhRvL..62..985A. doi:10.1103/PhysRevLett.62.985. PMID10040395.
"Satellite Energy Exchange (SEE)". Archived from the original on 7 May 2005. Retrieved 7 May 2005., which is set to test for a fifth force in space, where it is possible to achieve greater sensitivity.
"Satellite Energy Exchange (SEE)". Archived from the original on 7 May 2005. Retrieved 7 May 2005., which is set to test for a fifth force in space, where it is possible to achieve greater sensitivity.
Zumberge, Mark A.; Ander, Mark E.; Lautzenhiser, Ted V.; Parker, Robert L.; Aiken, Carlos L. V.; Gorman, Michael R.; Nieto, Michael Martin; Cooper, A. Paul R.; Ferguson, John F.; Fisher, Elizabeth; Greer, James; Hammer, Phil; Hansen, B. Lyle; McMechan, George A.; Sasagawa, Glenn S.; Sidles, Cyndi; Stevenson, J. Mark; Wirtz, Jim (1990). "The Greenland Gravitational Constant Experiment". Journal of Geophysical Research. 95 (B10): 15483. Bibcode:1990JGR....9515483Z. doi:10.1029/JB095iB10p15483.