1Loewy R G, Joglekar M M. Matrix holzer analysis for fully-coupled vibrations of clustered launch-vehicle configurations including applications to the Titan ⅢC and uncoupled Saturn Ⅰ cases [R]. NASA CR-592, 1966.
2Mori H. Control system design of flexible-body launch vehicles [ J]. Control Engineering Practice, 1999,7,1163 - 1175.