Specification for gamma radiography exposure containers for industri al purposes and their source holders 

 - London :    British Standards Institution,    1966 
 - 17 p. :    ill. ;    21 cm 
 - British Standard ;    4097:1966 .
<br/><br/><label>Subjects--Topical Terms: </label><br/> Gamma rays -- Industrial applications -- Standards
<br/><br/><label>Dewey Class. No.: </label>539.7222