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    Nylon superpressure balloons

    Rand, J. L. / Crenshaw, J. R. | British Library Online Contents | 1994

    A high-altitude tethered balloon

    Rand, J. / Grant, D. A. / Crenshaw, J. R. | British Library Online Contents | 1995

    Virtual ballast

    Rand, J. L. / Grant, D. A. / Crenshaw, J. R. | British Library Online Contents | 1995

    Nylon superpressure balloons

    Rand, J. L. / Crenshaw, J. R. / European Space Agency | British Library Conference Proceedings | 1994

    Superpressure Balloon Design

    Rand, J. L. / Crenshaw, J. R. / Committee on Space Research et al. | British Library Conference Proceedings | 1995