TY  - BOOK
ED  - United Nations. Statistical Office.
TI  - Concepts and methods of environment statistics: statistics of th e natural environment statistics ; a technical report
SN  - 9211613426
U1  - 333.7/072  20
PY  - 1991///
CY  - New York
PB  - United Nations
KW  - Environmental sciences
KW  -  Statistical methods
N1  - "United Nations publication. Sales no. E.88.XVII.14"--P. 4 of cover; Includes bibliographical references (p. 133-135)
ER  -