The density, refractive index and specific refraction of vitreous boron oxide and of sodium borate glasses as
functions of composition, method of preparation, and rate of cooling

PC01 1960 V1 123-133

The density, refractive index and specific refraction of vitreous boron oxide and of sodium borate glasses as
functions of composition, method of preparation, and rate of cooling

F. C. Eversteijn, J. M. Stevels & H. I. Waterman