xv, 511 unnumbered page in various pagings : maps ; 26 cm
ISBNs
9780824042899, 0824042891
OCLC
ocm05102930
Reprint of three works, the first published in 1948 by the UNRRA, Washington, which was issued as no. 53 of Operational analysis papers; the 2d published in 1947 by the International Secretariat, Institute of Pacific Relations, New York, which was issued as Secretariat paper no. 6; the 3d published in 1948 by the U.S. Govt. Print. Off., Washington.