Koelle, H. H. (2002). Prospects of a settlement on the moon: Development, operation, cost, benefits. Technical Univ., Inst. of Aeronautics and Astronautics.
Chicago Style (17th ed.) CitationKoelle, Heinz Hermann. Prospects of a Settlement on the Moon: Development, Operation, Cost, Benefits. Berlin: Technical Univ., Inst. of Aeronautics and Astronautics, 2002.
MLA (9th ed.) CitationKoelle, Heinz Hermann. Prospects of a Settlement on the Moon: Development, Operation, Cost, Benefits. Technical Univ., Inst. of Aeronautics and Astronautics, 2002.
Warning: These citations may not always be 100% accurate.