diff --git a/docs/en/calculators/structures/seuil_noye.md b/docs/en/calculators/structures/seuil_noye.md
index 32f9527ec059f0f8ba3bb3f6940e3fc38a15b542..2fb05939afdd09c8d8d942d86c3779b76c7b5be4 100644
--- a/docs/en/calculators/structures/seuil_noye.md
+++ b/docs/en/calculators/structures/seuil_noye.md
@@ -5,7 +5,7 @@
 
 *Excerpt from: Rajaratnam, N., Muralidhar, D., 1969. Flow below deeply submerged rectangular weirs. Journal of Hydraulic Research 7, 355–374.*
 
-In submerged flow, the flow rate depends on the upstream water level \(h_{amont}\) and the downstream water level \(h_{aval}\):
+In submerged flow, the flow rate depends on the upstream water level \(h_{amont}\) and the downstream water level \(h_{aval}\) (Rajaratnam et al., 1969):
 
 $$Q = Cd \sqrt{2g} Lh_{aval} \sqrt{h_{amont}-h_{aval}}$$
 
@@ -17,3 +17,5 @@ With:
 * *C<sub>d</sub>* the discharge coefficient (equal to 0.9 by default).
 
 This formula is not recommended for flooding below 80%.
+
+*Rajaratnam, N., Muralidhar, D., 1969. Flow below deeply submerged rectangular weirs. Journal of Hydraulic Research 7, 355–374.*
diff --git a/docs/en/calculators/structures/vanne_denoyee_schema.png b/docs/en/calculators/structures/vanne_denoyee_schema.png
index 1868e850d243f507d159827d895587b7c9c554df..37b61e24b1589831f622e7d4406f79db7f521986 100644
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diff --git a/docs/en/calculators/structures/vanne_noyee_schema.png b/docs/en/calculators/structures/vanne_noyee_schema.png
index 29427f1e7b74d104f0063fdfd787c3ef90fc4d21..506cab28f5ed684b9e8e76c79c8f9363864e06d5 100644
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diff --git a/docs/fr/calculators/structures/seuil_noye.md b/docs/fr/calculators/structures/seuil_noye.md
index 784e10abb9bc52ee53766affcdc1f9426ff6c468..6e572057e9545f679ca10883cc83fe49025016b5 100644
--- a/docs/fr/calculators/structures/seuil_noye.md
+++ b/docs/fr/calculators/structures/seuil_noye.md
@@ -2,9 +2,7 @@
 
 ![Schéma du seuil noyé](seuil_noye_schema.png)
 
-*Extrait de: Rajaratnam, N., Muralidhar, D., 1969. Flow below deeply submerged rectangular weirs. Journal of Hydraulic Research 7, 355–374.*
-
-En régime noyé, le débit dépend de la hauteur d'eau amont \(h_{amont}\) et de la hauteur aval \(h_{aval}\)&nbsp;:
+En régime noyé, le débit dépend de la hauteur d'eau amont \(h_{amont}\) et de la hauteur aval \(h_{aval}\) (Rajaratnam et al., 1969)&nbsp;:
 
 $$Q = Cd \sqrt{2g} Lh_{aval} \sqrt{h_{amont}-h_{aval}}$$
 
@@ -15,4 +13,6 @@ Avec&nbsp;:
 * *h<sub>aval</sub>* la charge sur le seuil à l'aval en m&nbsp;
 * *C<sub>d</sub>* le coefficient de débit (égal à 0.9 par défaut).
 
-Cette formule n'est pas conseillée pour un ennoiement inférieur à 80%.
\ No newline at end of file
+Cette formule n'est pas conseillée pour un ennoiement inférieur à 80%.
+
+*Rajaratnam, N., Muralidhar, D., 1969. Flow below deeply submerged rectangular weirs. Journal of Hydraulic Research 7, 355–374.*
diff --git a/docs/fr/calculators/structures/vanne_denoyee_schema.png b/docs/fr/calculators/structures/vanne_denoyee_schema.png
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diff --git a/docs/fr/calculators/structures/vanne_noyee_schema.png b/docs/fr/calculators/structures/vanne_noyee_schema.png
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