Relativistic neutron stars in general relativity and fourth order gravity by Masetlwa, Nkosinathi

“…This thesis investigates numerical instabilities arising from stiffness in the models of nonrotating, spherically symmetric single neutron star systems. …”
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Star formation and disk stability in nearby galaxies by Naluminsa, Elizabeth

“…(ii) A two-fluid disk criterion which models a galaxy disk with gas and stars as two distinct fluids each with single-fluid instabilities and together having the combined twofluid instabilities (QT ). …”
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An experimental study of an inherently-safe, natural circulating, flash-tube type system for a nuclear reactor steam supply concept by Loubser, Karl Albie

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