Spin-lattice relaxation time and chemical shift for structural determination in crude oil and petroleum products by carbon-13 nuclear magnetic resonance spectrometry
1953 ◽
Vol 218
(1135)
◽
pp. 537-552
◽
1975 ◽
Vol 72
(4)
◽
pp. 1599-1601
◽
1976 ◽
Vol 98
(14)
◽
pp. 4286-4290
◽
1991 ◽
Vol 95
(2)
◽
pp. 1215-1222
◽
1999 ◽
Vol 38
(Part 1, No. 1A)
◽
pp. 147-150
◽
1965 ◽
Vol 20
(10)
◽
pp. 1808-1813
◽