TY - JOUR T1 - Recent efforts in the computation of string couplings JO - Theoretical and Mathematical Physics UR - https://doi.org/10.1007/bf01017144 PY - 1993/05/01 AU - Klemm A AU - Theisen S ED - DO - DOI: 10.1007/bf01017144 PB - Springer Science and Business Media LLC VL - 95 IS - 2 SP - 583 EP - 594 Y2 - 2026/06/03 ER -