INTERFACIAL ACTIVITIES AND PORPHYRIN CONTENTS OF OIL-SHALE EXTRACTS

[11] MCKEE R, 1925, SHALE OIL

[12] CHEMICAL STATE OF VANADIUM IN SANTA MARIA VALLEY CRUDE OIL [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY, 1952, 44 (05): : 1159 - 1165

[13] Stern A, 1937, Z PHYS CHEM A-CHEM T, V180, P131

[14] CHARACTERISTICS AND UTILIZATION OF OIL SHALE AND SHALE OIL [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY, 1951, 43 (01): : 20 - 27

[15] Treibs A., 1934, LIEBIGS ANN CHEM, V510, P42

[16] TWENHOFEL WH, 1939, B AM ASS PETROL GEOL, V23, P1178

[17] TWENHOFEL WH, 1935, B AM ASS PETROLEUM G, V517, P172

[11] MCKEE R, 1925, SHALE OIL

[12] CHEMICAL STATE OF VANADIUM IN SANTA MARIA VALLEY CRUDE OIL [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY, 1952, 44 (05): : 1159 - 1165

[13] Stern A, 1937, Z PHYS CHEM A-CHEM T, V180, P131

[14] CHARACTERISTICS AND UTILIZATION OF OIL SHALE AND SHALE OIL [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY, 1951, 43 (01): : 20 - 27

[15] Treibs A., 1934, LIEBIGS ANN CHEM, V510, P42

[16] TWENHOFEL WH, 1939, B AM ASS PETROL GEOL, V23, P1178

[17] TWENHOFEL WH, 1935, B AM ASS PETROLEUM G, V517, P172