Volume 20 (1975)

• Akira Imai:
  On Embedding Dimensions of Quotient Singularities
  pp.1-6.
• Norikata Nakagoshi:
  On Indices of Unit Groups Related to the Genus Number of Galois Extensions
  pp.7-13.
• Nobukimi Ohashi, Kumio Fukuda, Hisao Dohata, Shin-ichi Matsuoka:
  Calculated Raman Band Envelope of Formaldehyde
  pp.15-19.
• Ryozo Watanabe, Isawo Kawai:
  Systematic Studies on the Conducting Tissue of the Gametophyte in Musci (5) What is Expected of Systematics Regarding the Inner Structure of the Stem in Some Species of Thuidiaceae
  pp.21-76.
• Makoto Konishi, Minoru Kimura:
  Renormalization Group Theory of Peierls Transition in One-Dimensional Electron- Phonon Systems
  pp.77-85.
• Hiroshi Matsuda, Masanobu Sakanoue:
  Some Characteristics of Low Energy Photon Spectrometer (LEPS) and Its Applications to Radiochemical Studies of Zircon
  pp.87-99.
• Yoshiteru Kono, Akira Takeuchi, Hiroaki Sato:
  Gravity Survey in the Noto Peninsula, Japan(1) -Method and Data Presentation
  pp.101-123.
• Masao Yamasaki, Shohei Banno:
  Types of Invariant Phase Assemblages of Four-Component System with Two Independent Intensive Variables
  pp.125-151.