Bell, Robert Allan (1972) I. The crystal structure of 9-methyl guanine hydrochloride monohydrate. II. Preliminary studies on [C_(27)H_(56)N_2Cl]^+•[H_(13)O_6]^+•2 Cl^- a bicyclic diammonium ion containing a caged chloride (Thesis (Masters)), California Institute of Technology doi: 10.7907/GCQS-GP30