docs: add a few more refs

doc/source/_assets/references.bib → doc/source/_assets/pytmd-refs.bib

@@ -91,6 +91,22 @@ @article{Cartwright:1973em
 pages = {253--264},
 publisher = {Oxford University Press (OUP)},
 }
+@book{Cartwright:1999tj,
+author = {Cartwright, David Edgar},
+title = {{Tides : a scientific history}},
+year = {1999},
+isbn = {0521621453},
+publisher = {Cambridge University Press},
+address = {New York, NY},
+}
+@book{Dehant:2015vb,
+author = {Dehant, V and Mathews, P M},
+title = {{Precession, nutation, and wobble of the Earth}},
+year = {2015},
+isbn = {9781107092549},
+publisher = {Cambridge University Press},
+address = {Cambridge, UK},
+}
 @book{Dershowitz:2007cc,
 author = {Dershowitz, N and Reingold, E M},
 title = {{Calendrical Calculations}},
@@ -222,6 +238,15 @@ @article{Horner:1819br
 pages = {308--335},
 publisher = {Royal Society},
 }
+@book{Kantha:2000vo,
+author = {Kantha, L H and Clayson, C A},
+title = {{Numerical models of oceans and oceanic processes}},
+year = {2000},
+volume = {66},
+isbn = {0124340687},
+publisher = {Academic Press},
+address = {San Diego, CA},
+}
 @article{Lyard:2021fk,
 author = {Lyard, F H and Allain, D J and Cancet, M and Carr{\`e}re, L and Picot, N},
 title = {{FES2014 global ocean tide atlas: design and performance}},

doc/source/conf.py

@@ -71,7 +71,7 @@
 autodoc_member_order = 'bysource'
 numpydoc_show_class_members = False
 pygments_style = 'native'
-bibtex_bibfiles = ['_assets/references.bib']
+bibtex_bibfiles = ['_assets/pytmd-refs.bib']
 bibtex_default_style = 'plain'
 
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