-
1Published 2017Table of Contents: “… Merz and the Jesuit astronomer Angelo Secchi - by Ileana Chinnici -- Visual double stars measurements…”
Full Text via HEAL-Link
Electronic eBook -
2
-
3Table of Contents: “… of Asaph Hall -- Chapter 21: The Life and Work of Charles Grover (1842-1921) -- Chapter 22: Angelo Secchi…”
Full Text via HEAL-Link
Electronic eBook