You may also wish to search for items by Armstrong, R. and Armstrong.
Only one matching reference was found.
Armstrong, R.N.; Ammond, H.L.; Darnow, J.N., Molecular geometry and conformational stability of 4,5-dimethyl- and 3,4,5,6-tetramethylphenanthrene: A look at the structural basis of the buttressing effect, J. Am. Chem. Soc., 1987, 109, 2077-2082. [all data]