McMullan, J T .
Energy resources / - 2 / - London : Edward Arnold Publications Ltd , 1983. - 191 ; .
0-7131-3486-0
621.7 / MCM/EN
Energy resources / - 2 / - London : Edward Arnold Publications Ltd , 1983. - 191 ; .
0-7131-3486-0
621.7 / MCM/EN