TY  - RPRT
TI  - Mass spectrometry in structural and stereochemical problems. CXLV.
AU  - Carpenter, W.
AU  - Djerassi, C.
AU  - Duffield, A. M.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19680063472
ID  - 19680063472
ER  -