波特蘭型海圖 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "波特蘭型海圖" in Chinese language version.

refsWebsite

Global rank Chinese rank

1^st place

6,931^st place

7,162^nd place

2,467^th place

3,640^th place

bigthink.com

Frank Jacobs. Portolan Charts 'Too Accurate' to be Medieval. Big Think. [2015-09-24]. （原始内容存档于2021-01-24）.

Origin of 'medieval' sea charts disproven. Utrecht University. 2014-03-03 [2015-09-24]. （原始内容存档于2016-08-29）.

Frank Jacobs. Portolan Charts 'Too Accurate' to be Medieval. Big Think. [2015-09-24]. （原始内容存档于2021-01-24）.
Origin of 'medieval' sea charts disproven. Utrecht University. 2014-03-03 [2015-09-24]. （原始内容存档于2016-08-29）.