共 5 条
[1]
BAUER V, 1975, Patent No. 3928378
[2]
JACQUER R, 1967, B SOC CHIM FR, V1, P316
[3]
LEVY GC, 1972, CARBON 13 NUCLEAR MA, P97
[4]
MASSAROLI G, 1970, Patent No. 3520901
[5]
PAULUS E, COMMUNICATION