Citation: Ramkinkar Santra; Kaustuv Banerjee; Kumar Biradha (2011). Weak Ag---Ag and Ag---Pi Interactions in Templating Regio Selective Single and Double [2+2] Reactions of N,N'-bis(3-(4-pyridyl)acryloyl)-hydrazine in the Solid State. Chem.Commun., 47, pp. 10740-.