TY  - BOOK
AU  - Buckland,S.T.
TI  - Distance sampling: estimating abundance of biological populations 
SN  - 0412426706
AV  - QL752 .D5 1993
U1  - 591.5/248 
PY  - 1993///
CY  - London, New York
PB  - Chapman & Hall
KW  - Animal populations
KW  - Estimates
KW  - Sampling (Statistics)
ER  -