Mass Spectrometry: Volume 2, Gas chromatography-mass spectrometry. D. H. Williams, C. J. W. Brooks, B. S. Middleditch
, 1973
, Volume 2
, Pages 302-336
Terpenoids and Steroids: Volume 4, Triterpenoids. K. H. Overton, J. D. Connolly
, 1974
, Volume 4
, Pages 183-220
Terpenoids and Steroids: Volume 10, Triterpenoids. J. R. Hanson, J. D. Connolly
, 1981
, Volume 10
, Pages 135-163
Terpenoids and Steroids: Volume 11, Triterpenoids. J. R. Hanson, R. B. Boar
, 1982
, Volume 11
, Pages 110-132