La Grange, J. L.: Oeuvres, vol. 6, pp. 262-292, Serrer and
Darbaux, Paris, 1873, "Essai Sur Le Probleme bese Trois Corps"
(L'Academie Royale de Sciences de Paris, vol.9,1772).
Szebehely, V. G.: Theory of Orbits, the Restricted Problems of
Three Bodies, Academic Press, New York, 1967, and Analytical and
Numerical Methods of Celestial Mechanics, American Elsevier Publ.
Co., N.Y.,1967, pp. 227,229.
Katz, J. 1.: Numerical Orbits Near the Triangular Lunar
Libration Points, Icarus, vol. 25, June 1975, pp. 336-359.
Kamel, A. A.: Perturbation Theory Based on Lie Transforms and
Its Application to the Stability of Motion near Sun-Perturbed
Earth-Moon Triangular Libration Points, NASA CR-1622,
1970.
Farquhar, R. W.: The Utilization of Halo Orbits in Advanced
Lunar Operations, NASA TN D-6365, 1975.
Ross, H. J., Jr., et al.: Compositional Data for Twenty-Two
Apollo 16 Samples, Proceedings of the Fourth Lunar Science
Conference, vol. 2, pp. 1149-1158.
Chapman, C. R.: The Nature of Asteroids, Scientific American,
vol. 232, Jan.1975, pp. 24-33.
Wood, J. A.: Meteorites and the Origin of Planets, McGraw-Hill,
N.Y., 1968.
Gehrels, T., ed.: Physical Studies of Minor Planets,
Washington, D.C., 1971, NASA SP-267.
Dohnanyi, J. S.: Interplanetary Objects in Review: Statistics
of their Masses and Dynamics, Icarus, vol. 17, no.1, Aug.1972, pp.
1-48.
Wetherill, G. W.: Solar System Sources of Meteorites and Large
Meteoroids, Ann. Rev. of Earth and Planetary Science, vol. 2,
1974.
McCord, T. B., Chapman, C. R.: Asteroids: Spectral Reflectance
and Color Characteristics, Astrophysical Journal, vol. 197, 1975,
pp. 781-790.
Middlehurst, B. M., Kuiper, G. P., ed.: The Solar System: Vol.
4, The Moon, Meteorites, and Comets. Univ. Chicago Press, 1963,
Physics and Chemistry of Meteorites, Wood, J. A., pp. 337-401,
Chapter 12. Chemical Evolution of Carbonaceous Chondrites,
DuFresne, E. R., and Aners, E., Chapter 14. (Especially the tables
on pp. 348 and 514) pp. 496-526.
Ehricke, K. A.: Space Industrial Productivity, New Options for
the Future, presentation before Sub-Committee on Space Science and
Applications of the Committee on Science and Technology, U.S. House
of Representatives, 94th Congress, Serial M, vol. 2, Sept.
1975.
Sonett, C. P., Wilcox, J. M., Coleman, P. J., ed.: Solar Wind,
a conference held at Pacific Grove, Calif., Mar. 21-26, 1971, NASA
SP-308.
Beischer, D. E., Reno, V. R.: Magnetic Fields and Man: Where do
we Stand Today? North Atlantic Treaty Organization Advisory Group
for Aerospace Research and Development (AGARD) Conference
Proceedings, pt. 3, Special Biophysical Problems in Aerospace
Medicine, no. 95, Luchon (France), 1971, pp. Cl2-1 to
C12-9.
Nakhil N'Itskaya, Z. N.: Biological Effect of Permanent
Magnetic Fields, Kosmicheskaya Biologiya I Aviako Smicheskaya
Meditsina, vol.8, no. 6, 1974, pp. 3-15.
Comstock, G. M., et al.: Cosmic-Ray Tracks in Plastics: The
Apollo Helmet Dosimetry Experiment, Science, vol. 172, Apr.9 ,1971,
pp. 154-157.
Basic Radiation Criteria, National Council Radiation Protection
and Measurement, NCRR Report 39, 15 Jan., 1971, pp.
88-107.
Martin, A., Harbison, S. A.: An Introduction to Radiation
Protection, Chapman and Hall, London (England), 1972.
Easley, C.W.: Basic Radiation Protection; Principles and
Organization, Gordon and Breach, 1969.
McKinley, D.W.: Meteor Science and Engineering, McGraw-Hill,
New York, 1961, p. 274.