Atmospheric emissions : proceedings. Edited by Billy M. McCormac and Anders Omholt. NATO Advanced Study Institute (1968 : Agricultural College of Norway) McCormac, Billy Murray, ed. Omholt, Anders, ed. Norges landbrukshøgskole. Auroras Congresses. Airglow Congresses. QC971 .N18 1968 551.518 MCA Includes bibliographical references. New York : Van Nostrand Reinhold Co., 1969. 1969. 1969 Text xi, 563 p. : eng