Perturbation methods in non-linear systems GE Giacaglia Springer Verlag, New York etc, 1972 | 325* | 1972 |

On the elliptic restricted problem of three bodies V Szebehely, GEO Giacaglia Astronomical Journal, Vol. 69, p. 230 (1964) 69, 230, 1964 | 134 | 1964 |

Lunar perturbations of artificial satellites of the earth GEO Giacaglia Celestial mechanics 9 (2), 239-267, 1974 | 84 | 1974 |

A note on Hansen's coefficients in satellite theory GEO Giacaglia Celestial Mechanics, vol. 14, Dec. 1976, p. 515-523. 14, 515-523, 1976 | 75 | 1976 |

A semi-analytic theory for the motion of a lunar satellite GEO Giacaglia, JP Murphy, TL Felsentreger Celestial Mechanics 3, 3-66, 1970 | 56 | 1970 |

The equations of motion of an artificial satellite in nonsingular variables GEO Giacaglia Celestial Mechanics 15, 191-215, 1977 | 45 | 1977 |

Transformations of spherical harmonics and applications to geodesy and satellite theory GEO Giacaglia, M Burša Studia Geophysica et Geodaetica 24, 1-11, 1980 | 39 | 1980 |

Periodic Orbits, Stability and Resonances M Hénon, M Guyot, GEO Giacaglia Reidel Pubi. Co, 1970 | 38 | 1970 |

Periodic Orbits, Stability and Resonances: Proceedings of a Symposium Conducted by the University of São Paulo, the Technical Institute of Aeronautics of São José Dos Campos … GEO Giacaglia Springer Science & Business Media, 2012 | 34 | 2012 |

Motion of a space station. I GEO Giacaglia, WH Jefferys Celestial mechanics 4, 442-467, 1971 | 33 | 1971 |

A note on the inclination functions of satellite theory GEO Giacaglia Celestial Mechanics, vol. 13, June 1976, p. 503-509. 13, 503-509, 1976 | 27 | 1976 |

Development of a methodology for cost determination of wastewater treatment based on functional diagram WQ Lamas, JL Silveira, GEO Giacaglia, LOM Reis Applied Thermal Engineering 29 (10), 2061-2071, 2009 | 23 | 2009 |

Periodic orbits of collision in the restricted problem of three bodies GEO Giacaglia Astronomical Journal, Vol. 72, p. 386 (1967) 72, 386, 1967 | 22* | 1967 |

Periodic Orbits, Stability and Resonances VA Brumberg, GEO Giacaglia Giacaglia Ed., D. Reidel Pub. Co, 410, 1970 | 21 | 1970 |

The Brazilian energy matrix: Evolution analysis and its impact on farming W de Queiroz Lamas, GEO Giacaglia Energy policy 63, 321-327, 2013 | 18 | 2013 |

Sampling functions for geophysics GEO Giacaglia, CA Lunquist | 18 | 1972 |

Notes on von Zeipel's method GEO Giacaglia Publications 1, 196, 1964 | 14 | 1964 |

The influence of high-order zonal harmonics on the motion of an artificial satellite without drag GEO Giacaglia Astronomical Journal, Vol. 69, p. 303 (1964) 69, 303, 1964 | 14 | 1964 |

Periodic Orbits, Stability and Resonances E Rabe, GEO Giacaglia Ed. GEO Giacaglia, 1970 | 13 | 1970 |

Possible geopotential improvement from satellite altimetry GEO Giacaglia, K Hebb, CA Lundquist, SG Mair | 13 | 1969 |