@article{54041, recid = {54041}, author = {Murrell, J. N. and Kettle, S. F. A. and Tedder, John M.}, title = {Valence theory}, publisher = {J. Wiley}, address = {London,}, pages = {xv, 428 p.}, year = {1969}, url = {http://library.usi.edu/record/54041}, }