PT - JOURNAL ARTICLE AU - Bruce I. Jacobs AU - Kenneth N. Levy TI - Engineering Portfolios AID - 10.3905/joi.4.4.8 DP - 1995 Nov 30 TA - The Journal of Investing PG - 8--14 VI - 4 IP - 4 4099 - https://pm-research.com/content/4/4/8.short 4100 - https://pm-research.com/content/4/4/8.full