Arman, H.D. and Kaulgud, T. and Tiekink, E.R.T. (2010) 2-Phenylacetic acid-(E,E)-4,4 `-(hydrazinediylidene)dipyridine(2/1). Acta Crystallographica Section E: Structure Reports Online, 66 (10). O2629-U1074. ISSN 1600-5368,