Primary enforcement and all-seat coverage provisions appear to be particularly effective in reducing fatality rates.doi:10.1177/0193841X9602000202G. LamatyA. NatatA. PetitjeanJ.P. RqueP. GenesteB. SchlickEvaluation Review
From diketene we synthesize phenyl acetylthiol and selenolacetates which possess thiol or selenolester function. The cyclization produces rearrangement and leads to Simonis reaction. These 2 new ways give also chromones from oxygen compounds. We don't isolate thio-1 and seleno-1 coumarins. However...
From the preface: “This monograph attempts to describe in an organized manner the central ideas and results of probabilistic extreme-value theory and related models stemming from pioneering contributions of E.J. Gumbel in the early forties of this century.”“It is a book about extreme value ...