Biological Analogs and Emergent Intelligence for Control of Stratospheric Balloon Constellations. - Matthew Kuperus Heun; R. Stephen Schlaifer; Kim Aaron; Alexey Pankine; Kerry Nock; Naomi Ehrich Leonard; Edward Belbruno; Pradeep Bhatta (WRAC, 2002)

Weak Stability Boundary and Invariant Manifolds. - Edward Belbruno; Marian Gidea; Francesco Topputo (SIAM J. Appl. Dyn. Syst., 2010)