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electronics_production/index.html

@@ -88,7 +88,7 @@
       <a href=solders.png>types</a>
          lead-free <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/SMDSWLF-020-4OZ/2177058>wire</a> <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/TS391SNL/7802215>paste</a> <a href=https://www.chipquik.com/msds/TS391SNL.pdf>SDS</a>
          leaded <a href=https://www.digikey.com/en/products/detail/kester-solder/24-6337-8834/365526>wire</a> <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/TS391AX10/7802226>paste</a> <a href=https://www.chipquik.com/msds/TS391AX10.pdf>SDS</a>
-         low-temp <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/SMDSWLT-040-10G/9836741>wire</a> <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/TS391LT/7802220>paste</a>
+         low-temp <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/SMDSWLT-040-10G/9836741>wire</a> <a href=https://www.digikey.com/en/products/detail/chip-quik-inc/TS391LT/7802220>paste</a> <a href=https://pmc.ncbi.nlm.nih.gov/articles/PMC7151860/>bismuth</a>
       eutectic
       tinning
       <a href=solders.png>wetting</a>