TY - RPRT TI - Quantum level structures at a Fermi resonance with angular momentum: classical periodic orbits, catastrophe maps and quantum monodromy. AU - C D Cooper AU - M S Child PY - 2005 DO - 10.1039/b502772c UR - https://pubmed.ncbi.nlm.nih.gov/16189587/ ID - 16189587 ER -