TY  - RPRT
TI  - Mass spectrometry in structural and stereochemical problems. CXCIII
AU  - Djerassi, C.
AU  - Duffield, A. M.
AU  - Liedtke, R. J.
PY  - 1970
UR  - https://ntrs.nasa.gov/citations/19710031876
ID  - 19710031876
ER  -