Buque grúa (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Buque grúa" in Spanish language version.

refsWebsite

Global rank Spanish rank

1books.google.com

3^rd place

7^th place

books.google.com

A Gigantic Muscle of Steel: it picks up a sunken tugboat from the harbor bottom as easily as you'd lift ten pounds off the floor, Popular Science monthly, February 1919, page 67, Scanned by Google Books