diff --git a/docs/DEBpapers.html b/docs/DEBpapers.html
index 57fcc01..91de4df 100644
--- a/docs/DEBpapers.html
+++ b/docs/DEBpapers.html
@@ -127,8 +127,10 @@ <h2 id="Evolution">DEB in evolutionary context</h2>
 	    Kooijman et al 2003: Quantitative steps in symbiogenesis and the evolution of homeostasis</a>
         </ul>
       
-        <h2 id="Estimation">Parameter estimation</h2>
+        <h2 id="Estimation">Parameter estimation & methodology</h2>
         <ul>
+  	  <li><a href="http://www.zotero.org/groups/500643/deb_library/items/FAQIU9YB/">
+	    Kooijman et al 2024:From formulae, via models to theories: Dynamic Energy Budget theory illustrates requirements</a> 
   	  <li><a href="http://www.zotero.org/groups/500643/deb_library/items/CEZGSB37/">
 	    Lika et al 2024: The relationship between confidence intervals and distributions of estimators for parameters of deterministic models</a>
             <a href="https://github.com/add-my-pet/SI/tree/main/LikaKooy2024a/" style="color:red">SI</a>
@@ -141,6 +143,8 @@ <h2 id="Estimation">Parameter estimation</h2>
 	    Augustine et al 2020: Comparing loss functions and interval estimates for survival data</a>
           <li><a href="http://www.zotero.org/groups/500643/deb_library/items/A2KFCAIK/">
 	    Marques et al 2019: Fitting Multiple Models to Multiple Data Sets</a>
+          <li><a href="http://www.zotero.org/groups/500643/deb_library/items/CFIDAUGQ/">
+	    Kooijman 2018: Models in stress research</a>
           <li><a href="http://www.zotero.org/groups/500643/deb_library/items/PS3ESZDP/">
 	    Marques et al 2018: The AmP project: Comparing Species on the Basis of Dynamic Energy Budget Parameters</a>
           <li><a href="https://www.zotero.org/groups/500643/deb_library/items/8UFGBFVW/">