TY - BOOK ID - 138580943 TI - A semigraphical method for a deorbit trajectory design study AU - Green, Richard N. AU - Hampshire, William F. AU - Souders, Sue W. AU - United States. PY - 1968 PB - Washington, D.C. : National Aeronautics and Space Administration, DB - UniCat KW - Space trajectories. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138580943 AB - ER -