Allen, Roy Morris, 1882-
Photomicrography / R. M. Allen. - New York : Van Nostrand, c1941. - viii, 365 p. : ill. ; 24 cm.
Includes index.
Photomicrography.
Microphotography.
578 / ALP
Photomicrography / R. M. Allen. - New York : Van Nostrand, c1941. - viii, 365 p. : ill. ; 24 cm.
Includes index.
Photomicrography.
Microphotography.
578 / ALP
