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errorcorrectionzoo · Feb 14, 2024 · 13f1ee0 · 13f1ee0
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diff --git a/codes/classical/bits/combinatorial_design.yml b/codes/classical/bits/combinatorial_design.yml
@@ -27,7 +27,7 @@ description: |
 
 notes:
   - 'See \cite{preset:HKSdesigns} for a review combinatorial designs.'
-  - 'See \cite{doi:10.1017/CBO9780511549533,doi:10.1201/9781420010541} for books on combinatorial designs.'
+  - 'See \cite{doi:10.1017/CBO9780511549533,doi:10.1201/9781420010541,doi:10.1017/CBO9780511623714} for books on combinatorial designs.'
 
 relations:
   parents:

diff --git a/codes/classical/bits/easy/hamming/hamming.yml b/codes/classical/bits/easy/hamming/hamming.yml
@@ -8,7 +8,8 @@ physical: bits
 logical: bits
 
 name: 'Hamming code'
-introduced: '\cite{doi:10.1002/j.1538-7305.1948.tb01338.x,doi:10.1002/j.1538-7305.1950.tb00463.x,manual:{M. J. E. Golay, \emph{Notes on digital coding}, Proc. IEEE, 37 (1949) 657.}}'
+introduced: '\cite{doi:10.1111/j.1469-1809.1941.tb02298.x,doi:10.1002/j.1538-7305.1948.tb01338.x,doi:10.1002/j.1538-7305.1950.tb00463.x,manual:{M. J. E. Golay, \emph{Notes on digital coding}, Proc. IEEE, 37 (1949) 657.}}'
+#  from Cameron, Peter J. "Some bridges between codes and designs." Unpublished manuscript, Queen Mary and Westfield College, London (1998).
 
 description: |
   Member of an infinite family of perfect linear codes with parameters \([2^r-1,2^r-r-1, 3]\) for \(r \geq 2\).

diff --git a/codes/classical/q-ary_digits/easy/q-ary_hamming.yml b/codes/classical/q-ary_digits/easy/q-ary_hamming.yml
@@ -8,7 +8,8 @@ physical: q-ary_digits
 logical: q-ary_digits
 
 name: '\(q\)-ary Hamming code'
-introduced: '\cite{manual:{M. J. E. Golay, \emph{Notes on digital coding}, Proc. IEEE, 37 (1949) 657.}}'
+introduced: '\cite{doi:10.1111/j.1469-1809.1943.tb02332.x,manual:{M. J. E. Golay, \emph{Notes on digital coding}, Proc. IEEE, 37 (1949) 657.}}'
+#  from Cameron, Peter J. "Some bridges between codes and designs." Unpublished manuscript, Queen Mary and Westfield College, London (1998).
 
 description: 'Member of an infinite family of perfect linear \(q\)-ary codes with parameters \([(q^r-1)/(q-1),(q^r-1)/(q-1)-r, 3]_q\) for \(r \geq 2\).'
 

diff --git a/codes/classical/q-ary_digits/projective/simplex.yml b/codes/classical/q-ary_digits/projective/simplex.yml
@@ -8,8 +8,6 @@ physical: q-ary_digits
 logical: q-ary_digits
 
 name: 'Simplex code'
-introduced: '\cite{doi:10.1111/j.1469-1809.1941.tb02298.x,doi:10.1111/j.1469-1809.1943.tb02332.x}'
-#  from Cameron, Peter J. "Some bridges between codes and designs." Unpublished manuscript, Queen Mary and Westfield College, London (1998).
 
 alternative_names:
   - 'Maximum-length feedback-shift-register code'