@article{uzer:1983:cuc, author = {Uzer, T. and Muckerman, J. T. and Child, M. S.}, title = {Collisions and umbilic catastrophes. {T}he hyperbolic umbilic canonical diffraction integral}, journal = {Molecular Phys.}, fjournal = {Molecular Physics. An International Journal in the Field of Chemical Physics}, volume = {50}, year = {1983}, number = {6}, pages = {1215–1230}, issn = {0026-8976}, coden = {MOPHAM}, mrclass = {58C27 (58C28 65D32 81G55)}, mrnumber = {MR0731012 (85m:58037)}, mrreviewer = {D. R. J. Chillingworth}, doi = {10.1080/00268978300102991}}