Ketchum, Milo S.
The design of walls, bins and grain elevators / Milo S. Ketchum. - New York : McGraw-hill book company, 1929
. - 556 p. : il ; 23 cm
CA-426
The design of walls, bins and grain elevators / Milo S. Ketchum. - New York : McGraw-hill book company, 1929
. - 556 p. : il ; 23 cm
CA-426