@article{https://resolver.caltech.edu/CaltechAUTHORS:WASpf02,
    title = "Effects of vertical vibration on hopper flows of granular material",
    journal = "Physics of Fluids",
    year = "2002",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:WASpf02",
    id = "record",
    issn = "1070-6631",
    doi = "10.1063/1.1503354",
    volume = "14"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:HUNpf99,
    title = "Effects of horizontal vibration on hopper flows of granular materials",
    journal = "Physics of Fluids",
    year = "1999",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:HUNpf99",
    id = "record",
    issn = "1070-6631",
    doi = "10.1063/1.869903",
    volume = "11"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:HUNmdfpm97,
    title = "Mechanics of deformation and flow of particulate materials : proceedings of a symposium, Evanston, Illinois, June 29-July 2, 1997",
    chapter = "Effects of Horizontal Vibration on Hopper Flows of Granular Material",
    year = "1997",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:HUNmdfpm97",
    id = "record",
    isbn = "0784402515"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:WASmdfpm97,
    title = "Mechanics of deformation and flow of particulate materials : proceedings of a symposium, Evanston, Illinois, June 29-July 2, 1997",
    chapter = "Effects of vertical vibration on hopper flows of granular material",
    year = "1997",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:WASmdfpm97",
    id = "record",
    isbn = "0784402515"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:WASpg97,
    title = "Powders \& grains 97 : proceedings of the third International Conference on Powders \& Grains, Durham, North Carolina, 18-23 May 1997",
    chapter = "Investigation of f/2 and f/4 Waves in Granular Beds Subject to Vertical, Sinusoidal Oscillations",
    year = "1997",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:WASpg97",
    id = "record",
    isbn = "9054108843"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:WASjam96,
    title = "Vertical Vibration of a Deep Bed of Granular Material in a Container",
    journal = "Journal of Applied Mechanics",
    year = "1996",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:WASjam96",
    id = "record",
    issn = "0021-8936",
    volume = "63"
}


@other{https://resolver.caltech.edu/CaltechAUTHORS:WASwcce96,
    title = "Vertical Side Wall Convection in Deep Beds of Granular Material Subjected to Vertical, Sinusoidal Oscillations",
    year = "1996",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:WASwcce96",
    id = "record"
}


@article{https://resolver.caltech.edu/CaltechAUTHORS:BREjam96,
    title = "Vertical Oscillation of a Bed of Granular Material",
    journal = "Journal of Applied Mechanics",
    year = "1996",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BREjam96",
    id = "record",
    issn = "0021-8936",
    volume = "63"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:WASasceemc95,
    title = "ASCE Engineering Mechanics Conference (10th : 1995 : University of Colorado, Boulder)",
    chapter = "Granular Flow in a Vertically Vibrating Hopper",
    year = "1995",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:WASasceemc95",
    id = "record",
    isbn = "0784400830"
}


@inbook{https://resolver.caltech.edu/CaltechAUTHORS:BREpg93,
    title = "Powders \& grains 93 : proceedings of the Second International Conference on Micromechanics of Granular Media, Birmingham, UK, 12-16 July 1993",
    chapter = "Vertical oscillation of a bed of granular material",
    year = "1993",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:BREpg93",
    id = "record",
    isbn = "905410323X"
}