https://hdl.handle.net/11013/7731 Bitbulteno de Hispana Esperanto-Federacio Tue, 26 May 2026 03:02:17 GMT 2026-05-26T03:02:17Z https://hdl.handle.net/11013/7791 La Bitbulteno, 2018, n-ro 044 Mon, 01 Jan 2018 00:00:00 GMT https://hdl.handle.net/11013/7791 2018-01-01T00:00:00Z https://hdl.handle.net/11013/7790 La Bitbulteno, 2018, n-ro 043 Mon, 01 Jan 2018 00:00:00 GMT https://hdl.handle.net/11013/7790 2018-01-01T00:00:00Z https://hdl.handle.net/11013/7789 La Bitbulteno, 2017, n-ro 042 Tue, 12 Dec 2017 00:00:00 GMT https://hdl.handle.net/11013/7789 2017-12-12T00:00:00Z https://hdl.handle.net/11013/7788 La Bitbulteno, 2017, n-ro 041 Mon, 13 Nov 2017 00:00:00 GMT https://hdl.handle.net/11013/7788 2017-11-13T00:00:00Z