Margin of Profit (excerpt)

From Author Wars - https://authorwars.com/books/margin-of-profit-excerpt-739909.html

Overview:

Title: Margin of Profit (excerpt)
Author: Poul Anderson
Year: 1976
Type: Short Fiction
Series: Nicholas Van Rijn

Editions/Publications:

Unknown. Trader to the Stars (Unknown, Poul Anderson, Berkley Medallion, ISBN-10: 0425031993, $1.25, 159 pages, Paperback, Collection)