Hunter, Leslie.
Coal : science in industry / Leslie Hunter. - London : Burke, c 1964. - 96 p. : ills. ; 22 cm.
318 318
Mining & related operations.
622.33 / H911c
Coal : science in industry / Leslie Hunter. - London : Burke, c 1964. - 96 p. : ills. ; 22 cm.
318 318
Mining & related operations.
622.33 / H911c