T. P. Das and E. L. Hahn, "Nuclear Quadrupole Resonance Spectroscopy," Solid State Physics, Supl. 1, (Academic Press, NY, 1958).
M. H. Cohen and F. Reif, "Quadrupole Effects in Nuclear Magnetic Resonance Studies of Solids," Solid State Physics 5, F. Seitz and D. Turnbull (eds), (Academic Press, NY, 1957), pages 321-438. (Mostly concerned with quadrupole perturbed NMR).
E. Schempp and P. J. Bray, "Nuclear Quadrupole Resonance Spectroscopy," Chapter 11 of Physical Chemistry, An Advanced Treatise, vol IV, Molecular Properties, D. Henderson (ed), Academic Press 1970. pages 521 - 632. (very comprehensive).
J. A. S. Smith, "Nuclear Quadrupole Resonance Spectroscopy," J. Chem. Education, Vol 48, Nos. 1-4), pages 39-49, A77-A89, A147-A148, A159-170, and A243-A252, (1971).
Yu. A. Buslaev, E. A. Kravcenko, and L. Kolditz, "Nuclear Quadrupole Resonance in Inorganic Chemistry," Coordination Chemistry Reviews 82, A. B. P. Lever, Ed., (Elsevier, Berlin, 1987). Pages 1 - 237. (The entire volume is this one "article").
E. A. C. Lucken, Nuclear Quadrupole Coupling Constants, (Academic Press, NY, 1969).
J. M Lehn and J. P. Kintzinger, "Nitrogen-14 Nuclear Quadrupole Effects," chapter 3 of Nitrogen NMR, M. Witanowski and G. A. Webb, Eds., (Plenum Press, 1973). Pages 79-161.
K. V. S. Rama Rao and S. Ramaprabhu, "Nuclear Quadrupole Resonance Studies on Inorganic Solids," Physica Status Solidi A 98, 17-27 (1986).
M. Bloom, E. L. Hahn, and B. Herzog, "Free Magnetic Induction in Nuclear Quadrupole Resonance," Physical Review 97, 1699-1709 (1955). (basic theory of pulse methods for NQR - esp. for spin 3/2).
O. Ege, S. Hamai, H. Negita, "Powder Zeeman NQR study on the absorption forms for a nuclear spin of 3/2: dependence on the angle between the directions of an oscillating magnetic field and a static magnetic field, and observation of large eta," Journal of Molecular Structure 345, 139-144 (1995). (Powder patterns for spin 3/2 Zeeman-perturbed NQR).
B. H. Suits, "Nuclear Quadrupole Resonance Spectroscopy," Chapter 2 of Handbook of Applied Solid State Spectroscopy, D. R. Vij editor, (Springer 2006).
Proceedings of the International Symposium on NQR/NQI Spectroscopy
I (London, England): (1972).
II (Viareggio, Italy): (1973).
VIII (Darmstadt, Germany): (1985).
X (Takayama, Japan): Z. Naturforsch 45a, 193-602 (1990).
XII (Zurich, Switzerland): Z. Naturforsch 49a, (1993).
XV (Leipzig, Germany): Z. Naturforsch 55a, 1-368 (2000).
XVI (Hiroshima, Japan): Z. Naturforsch 57a, 288-639 (2002).