1. J. Bernstein , Polymorphism in Molecular Crystals , Oxford University Press , 2010
2. Polymorphism − A Perspective
3. R. Fausto , G. O.Ildiz , E. M.Brás and B. A.Nogueira , Hydantoins and Mercaptoimidazoles: Vibrational Spectroscopy as a Probe of Structure and Reactivity in Different Environments, from the Isolated Molecule to Polymorphs, in Challenges and Advances in Computational Chemistry and Physics , ed. J. Leszczynski , Springer Nature , 2019 , vol. 26 , p. 199
4. FTIR spectroscopic and quantum chemical studies on hydantoin
5. Matrix Isolation Infrared Spectra and Photochemistry of Hydantoin