Vaupel, J. W., & Cook, P. (1978). Life, Liberty, and the Pursuit of Self-hazardous Behavior. Durham, NC: Institute of Policy Sciences and Public Affairs, Duke University.

Vaupel, J. W., and P. Cook. Life, Liberty, and the Pursuit of Self-hazardous Behavior. Durham, NC: Institute of Policy Sciences and Public Affairs, Duke University, 1978.

Vaupel JW, Cook P. Life, Liberty, and the Pursuit of Self-hazardous Behavior. Durham, NC: Institute of Policy Sciences and Public Affairs, Duke University; 1978.

Vaupel, J. W., and P. Cook. Life, Liberty, and the Pursuit of Self-hazardous Behavior. Institute of Policy Sciences and Public Affairs, Duke University, 1978.

Vaupel JW, Cook P. Life, Liberty, and the Pursuit of Self-hazardous Behavior. Durham, NC: Institute of Policy Sciences and Public Affairs, Duke University; 1978.