Houlden, B.T., ed.
Some techniques of operational research prepared by the Operational Research Group of the National Coal Board - London E.U.P. 1962 - 153 p.
65.012.122 / H6
Some techniques of operational research prepared by the Operational Research Group of the National Coal Board - London E.U.P. 1962 - 153 p.
65.012.122 / H6