Structure and Origin of Narrow Air Showers Chernyaev, B. A. ; Chudakov, E. A. ; Dzhappuyev, D. D. ; Lidvansky, S. A. ; Tizengauzen, A. V. ; Kempa, J. ; Wdowczyk, J. Abstract Publication: 21st International Cosmic Ray Conference (ICRC21) Pub Date: 1990 Bibcode: 1990ICRC....9...69C