1. The INPORT concept — an improved method to protect ICF reactor first walls
2. R.L. ENGELSTAD and E.G. LOVELL, “Basic Theory for Three-Dimensional Motion of LIBRA INPORT Tubes,” FPA-84-2, Fusion Power Associates (1984).
3. R.L. ENGELSTAD and E.G. LOVELL, “Planar Vibrations of LIBRA INPORT Tubes Including Gravity Gradient Effects,” FPA-84-3, Fusion Power Associates (1984).