1. Gamma-rays and ionizing component during thunderstorms at Gran Sasso;Aglietta;Conf. Pap. Int. Cosmic Rays, 26th,1999
2. Short perturbations of cosmic ray intensity and electric field in atmosphere;Alexeenko;Conf. Pap. Int. Cosmic Rays, 19th,1985
3. Short perturbations of cosmic ray intensity and electric field in atmosphere;Alexeenko;Conf. Pap. Int. Cosmic Rays, 20th,1987
4. Electric field disturbances in the summer-time atmosphere and associated variations of CR intensity;Alexeenko;Conf. Pap. Int. Cosmic Rays, 27th,2001
5. Cosmic-ray microvariations during thunderstorm perturbations;Attolini;Lett. Nuovo Cimento Soc. Ital.,1971