finished eclipse det

_posts/2021-04-14-iss-eclipse-determination/citations.bib

@@ -1,24 +1,3 @@
-
-@book{shackelford_introduction_2015,
-	address = {Boston},
-	edition = {Eighth edition},
-	title = {Introduction to materials science for engineers},
-	isbn = {9780133826654},
-	publisher = {Pearson},
-	author = {Shackelford, James F.},
-	year = {2015},
-	keywords = {Materials},
-}
-
-@book{curtis_orbital_2021,
-	title = {Orbital mechanics for engineering students},
-	isbn = {9780128240250 9780323853453 9780081021330},
-	language = {English},
-	author = {Curtis, Howard D},
-	year = {2021},
-	note = {OCLC: 1235349370},
-}
-
 @misc{ariss,
 	title = {{ARISS} {TLE}},
 	shorttitle = {{ARISS}},
@@ -27,3 +6,14 @@
 	journal = {Amateur Radio on the International Space Station},
 	note = {publisher: ARISS},
 }
+
+@book{vallado,
+	address = {Dordrecht},
+	title = {Fundamentals of {Astrodynamics} and {Applications}, 2nd. ed.},
+	isbn = {0-07-066829-9},
+	publisher = {Microcosm, Inc},
+	author = {Vallado, David A.},
+	editor = {Larson, Wiley},
+	collaborator = {McClain, Wayne},
+	year = {1997},
+}