Some remarks on secondary protective barrier calculation for radiographic installations: NCRP Report No. 49 revisited.
Borasi
G
G
Servizio di Fisica Sanitaria, Arcispedale S. Maria Nuova, Reggio Emilia, Italy.
Ferretti
P P
PP
D008433:Mathematics; D011835:Radiation Protection / Q000379:methods*; D011859:Radiography / Q000295:instrumentation*