G. Colombo

Radon measurements in the Gran Sasso Underground Laboratory.

G. Giacomelli, G. Mandrioli, L. Patrizii, 1997, Health physics.

Radiation protection and radioactive scales in oil and gas production.

R. Fantoni, D. Desideri, C. Roselli, 1994, Health physics.

Measurements of radon concentration and gamma ray activity in Hall B of the Gran Sasso Laboratory

R. Fantoni, L. Patrizii, G. Giacomelli, 1997 .