book section published in 1978
book section published in 1980
book section published in 1979
2022 Sky & Telescope article by Peter Schultz and Thomas Dobbins
abstract PP43A-01 for the American Geophysical Union, Spring Meeting 2007
book section published in 1977
book section published in 1981
white paper published in 2020
abstract PP33B-10 for the American Geophysical Union, Fall Meeting 2009
Dominio Público Uruguay cuenta con el apoyo de:
Acerca de Dominio Público Uruguay
Ayuda