BM-21 Grad (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "BM-21 Grad" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

618^th place

1,940^th place

1web.archive.org

1^st place

1^st place

1books.google.com

3^rd place

6^th place

books.google.com

Prenatt, Jamie (16 de junho de 2016). Katyusha: Russian Multiple Rocket Launchers 1941–Present. [S.l.]: Bloomsbury Publishing. p. 30. ISBN 978-1-4728-1087-8

janes.com

Splav 122 mm BM-21 multiple rocket launcher family (Russian Federation), Multiple rocket launchers, Jane's Armour and Artillery.
122 mm BM-21 Grad-series rockets (Russian Federation), Artillery rockets Arquivado em 2010-06-23 no Wayback Machine, Jane's Ammunition Handbook

web.archive.org

122 mm BM-21 Grad-series rockets (Russian Federation), Artillery rockets Arquivado em 2010-06-23 no Wayback Machine, Jane's Ammunition Handbook