@techreport{TechReport_1970_LANL_LA-4448_EverettCashwell, address = {Los Alamos, NM, USA}, author = {Everett, Cornelius J. and Cashwell, Edmond D.}, institution = {Los Alamos National Laboratory}, month = {May}, number = {LA-4448}, title = {{Approximation for the Inverse of the Klein-Nishina Probability Distribution}}, year = {1970} }