@misc{misc, title  = {{Recent Efforts in the Computation of String Couplings:}},

 url = {{https://doi.org/10.1007/BF01017144 }},

 year = {{1992}},

 month = {{10}},

 author = {{Klemm A and Theisen S}},

 note = {{Accessed on 2026/09/12}}}