TY - JOUR DO - 10.5169/seals-114308 DB - https://www.e-periodica.ch T1 - Study of waves at a plasma vacuum boundary AU - Boulanger, P. AU - Ashby, N. JF - Helvetica Physica Acta PB - Birkhäuser Y1 - 1971 VL - 44 IS - 6 SP - 737 SN - 0018-0238 ER -