Dunsheath, Percy.
Industrial research 1947 : annual reference book / Percy Dunsheath. - London ; New York : Todd Reference Book, 1947. - 535 p. ; 22 cm.
Includes index.
Industries --Research.
338.072 / DUI
Industrial research 1947 : annual reference book / Percy Dunsheath. - London ; New York : Todd Reference Book, 1947. - 535 p. ; 22 cm.
Includes index.
Industries --Research.
338.072 / DUI