Cadru (stup) (Romanian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Cadru (stup)" in Romanian language version.

refsWebsite

Global rank Romanian rank

2books.google.com

3^rd place

6^th place

1,459^th place

876^th place

1web.archive.org

1^st place

1^st place

books.google.com

Berlepsch, August Freiherr von (1 mai 1852). „Der stehende Rahmenlüfter” [The vertical frame ventilator]. Bienen-Zeitung (în German). 8 (9): 83–84.
Vezi si:
- en King, H.A. (februarie 1872). „Movable frames. Is Mr. Langstroth the inventor?”. The American Bee Journal. 7 (8): 169–170.

uspto.gov

pdfpiw.uspto.gov

Langsroth, Lorenzo L. "Beehive" U.S. Patent No. 9,300^{[nefuncțională – arhivă]} (emis: 5 octombrie 1852).

web.archive.org

Langsroth, Lorenzo L. "Beehive" U.S. Patent No. 9,300^{[nefuncțională – arhivă]} (emis: 5 octombrie 1852).