A photoelectric nephelometer for estimating the population density of microörganisms /
Richards, Oscar W.
A photoelectric nephelometer for estimating the population density of microörganisms / by Oscar W. Richards and T. L. Jahn - [S.l. : s.n.], 1933 - 385-389 p. : ill. ; 26 cm - Journal of bacteriology ; 26 .
A photoelectric nephelometer for estimating the population density of microörganisms / by Oscar W. Richards and T. L. Jahn - [S.l. : s.n.], 1933 - 385-389 p. : ill. ; 26 cm - Journal of bacteriology ; 26 .