Comment: Spatial sampling designs depend as much on “how much?” and “why?” as on “where?”
Cressie, N., and R. L. Chambers. "Comment: Spatial sampling designs depend as much on “how much?” and “why?” as on “where?”." Bayesian Analysis (2015).
A comment on “Optimal design in geostatistics under preferential sampling” by G. da Silva Ferreira and D. Gamerman