I. Introduction

This publication has 5 references indexed in Scilit:

• Paramagnetic Resonance II
  Reports on Progress in Physics, 1955
• Magnetic Resonance Absorption of Diphenyl-Picryl Hydrazyl at Low Magnetic Fields
  Physical Review B, 1954
• Paramagnetic resonance
  Reports on Progress in Physics, 1953
• Paramagnetic Losses in Two Manganous Salts
  Physical Review B, 1946
• Ammonia Spectrum in the 1 cm. Wave-length Region
  Nature, 1946