|
Mann, Wilfrid Basil.
Preparation, maintenance, and application of standards of radioactivity / Wilfrid Basil Mann and Howard H. Seliger.
— Washington : U.S. Dept. of Commerce, National Bureau of Standards, 1958. iv, 47 p. : il. ; 26 cm. — (NBS Circular ; 594)
Bibliografía: p. 42-47.
|