@book{https://authors.library.caltech.edu/records/y35ab-vw284,
    author = "Blatz, P. J. and McQuarrie, D. A. and Shen, M. C.",
    title = "On the Simple Tensile Deformation of an Incompressible Rubber Matrix Filled with Non-Adherent Rigid Spheres of Uniform Size Distribution",
    year = "1966",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20151125-113442516",
    id = "https://authors.library.caltech.edu/records/y35ab-vw284"
}


@book{https://authors.library.caltech.edu/records/0a323-32v45,
    author = "Blatz, P. J.",
    title = "Studies of the mechanical behavior of ammonium perchlorate particles, a glass-bead filled polyurethane binder, and a typical continuum binder",
    year = "1963",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20100518-094619158",
    id = "https://authors.library.caltech.edu/records/0a323-32v45"
}


@book{https://authors.library.caltech.edu/records/bgx4b-w6572,
    author = "Blatz, P. J.",
    title = "The effective compressibility of a hollow sphere",
    year = "1963",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:20100518-093521955",
    id = "https://authors.library.caltech.edu/records/bgx4b-w6572"
}