TY - BOOK ID - 104810193 TI - Pierre Demart underground gasification of coal AU - Buch, J.W. AU - Newman, L.L. AU - Rose, H.J. PY - 1945 PB - London H.M. Stationery Office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:104810193 AB - ER -