Editing Expander cycle (section)

== References ==
{{reflist|35 em|refs=
<ref name="y655">{{cite book | title=Liquid Rocket Thrust Chambers | publisher=American Institute of Aeronautics and Astronautics | publication-place=Reston ,VA | date=2004-01-01 | isbn=978-1-56347-223-7 | doi=10.2514/4.866760 | page=636 | editor-last1=Popp | editor-last2=Hulka | editor-last3=Yang | editor-last4=Habiballah | editor-first1=Michael | editor-first2=James | editor-first3=Vigor | editor-first4=Mohammed }}</ref>
<ref name=aiaa-paper2003-4597>{{cite conference |url=http://www.la.dlr.de/ra/sart/publications/pdf/2003-4597.pdf |title=Studies on Expander Bleed Cycle Engines for Launchers |first1=Martin |last1=Sippel |first2=Takayuki |last2=Imoto |first3=Dietrich |last3=Haeseler |date=July 23, 2003  |conference=39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit |publisher=[[AIAA]] |archive-url=https://web.archive.org/web/20160303181821/http://www.la.dlr.de/ra/sart/publications/pdf/2003-4597.pdf |archive-date=2016-03-03 |access-date=2016-09-25}}</ref>
<ref name=mhitr-vol48n4p36t43>{{cite journal |url=https://www.mhi-global.com/company/technology/review/pdf/e484/e484036.pdf |title=Development of the LE-X Engine |first1=Masahiro |last1=Atsumi |first2=Kimito |last2=Yoshikawa |first3=Akira |last3=Ogawara |first4=Tadaoki |last4=Onga |date=December 2011  |journal=Mitsubishi Heavy Industries Technical Review |publisher=[[Mitsubishi Heavy Industries]] |volume=48 |issue=4 |pages=36–43 |archive-url=https://web.archive.org/web/20151224013743/https://www.mhi-global.com/company/technology/review/pdf/e484/e484036.pdf |archive-date=2015-12-24 |access-date=2016-09-25}}</ref>
<ref name="p&w2003">{{cite web |title =Pratt & Whitney Space Propulsion – RL60 fact sheet |url =http://www.pw.utc.com/StaticFiles/Pratt%20&%20Whitney/Assets/Documents/space_2003_status_rl60.pdf |access-date =2008-12-28 |archive-url =https://web.archive.org/web/20120328031450/http://www.pw.utc.com/404.asp |archive-date =2012-03-28 |url-status =dead }}</ref>
<ref name=sutton-rpe7edp221p227>{{cite book|last1=Sutton|first1=George P.|last2=Biblarz|first2=Oscar|title=Rocket Propulsion Elements: an introduction to the engineering of rockets|date=2000|publisher=John Wiley & Sons, Inc|isbn=0-471-32642-9|pages=221–227|edition=Seventh|url=http://www.ewp.rpi.edu/hartford/%7Eernesto/S2013/EP/MaterialsforStudents/Lee/Sutton-Biblarz-Rocket_Propulsion_Elements.pdf|access-date=26 September 2016|archive-url=https://web.archive.org/web/20160119113628/http://www.ewp.rpi.edu/hartford/~ernesto/S2013/EP/MaterialsforStudents/Lee/Sutton-Biblarz-Rocket_Propulsion_Elements.pdf|archive-date=2016-01-19|chapter=Section 6.6|url-status=dead}}</ref>
<ref name=ustpo-patent7418814>{{cite patent |country=US |number=7,418,814 B1 |status=patent |title=Dual expander cycle rocket engine with an intermediate, closed-cycle heat exchanger |gdate=2008-09-02 |fdate=2005-06-30 |invent1=Greene, William D. |assign1=The United States of America as represented by the Administrator of the National Aeronautics and Space Administration |class= |url=https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20090006594.pdf }}</ref>
}}