Oil shales and shale oils
Bell, H.S.
Oil shales and shale oils - - Toronto D. Van Nostrand, 1948 - vii,157 p. 23 cm - .
1
Oils-shales
Shale oils
665.5 Bel
Oil shales and shale oils - - Toronto D. Van Nostrand, 1948 - vii,157 p. 23 cm - .
1
Oils-shales
Shale oils
665.5 Bel