Study of the Screening Formalisms for Stellar Evolution Codes Dzitko, H. ; Turck-Chieze, S. ; Delbourgo-Salvador, P. ; Lagrange, C. Abstract Publication: GONG 1994. Helio- and Astro-Seismology from the Earth and Space Pub Date: 1995 Bibcode: 1995ASPC...76..172D