Keay, J. G., The Reduction of Nitrogen Heterocycles with Complex Metal

Keay, J. G., The Reduction of Nitrogen Heterocycles with Complex Metal Hydrides, 39, 1. 

Keay, J. G., The Reduction of Nitrogen Heterocycles with Complex Metal Hydrides, 39, 1. Keene, B. R. T., Tissington, P., Recent Developments In Phenanthridine Chenustry, 13, 315. 

The reduction of nitrogen heterocycles with complex metal hydrides , Lyle, R. E. and Anderson, P S., Adv. Heterocycl Chem., 1966, 6, 46 The reduction of nitrogen heterocycles with complex metal hydrides , Keay, J. G., ibid., 1986, 39, 1. 

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