1. Free nuclear induction in the Earth’s magnetic field;Packard;Phys. Rev.,1954
2. High resolution NMR spectroscopy in the terrestrial magnetic field range;Béné,1967
3. Free precession experiments in terrestrial magnetic field;Merck,1967
4. Nuclear magnetism logging;Brown;Trans. Am. Inst. Mining Metallurg. Petrol. Eng.,1960
5. Low-field nuclear magnetic resonance of coupled spin one-half particles;Thompson;J. Chem. Phys.,1961