TY  - CHAP
A1  - Welty, L J
A1  - Stein, M L
T1  - Modeling phytoplankton: covariance and variogram model specification for phytoplankton levels in Lake Michigan.
Y1  - 2004//
N1  - R829402
N1  - R829402C002
VL  - 13
IS  - 3
SP  - 163
EP  - 173
ER  -