Bird, TG., Moschner, K., Robert, MH., Collardmotte, J., Janousek, Z., Merenyi, R., & Viehe, HG. (1986). 2,2′-dipyrrolidine As a Precursor To Novel Diazatricyclic Systems. Croatica Chemica Acta, 59(1), 51-56. https://hdl.handle.net/2078.5/44639 (Original work published 1986)