Coal -- Sampling : Manual on drilling, sampling, and analysis of coal / compiled by ASTM Subcommittees D05.18 and D05.23 ; edited by James A. Luppens, Stephen E. Wilson, and Ronald W. Stanton
The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample
The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample
Groundwater -- Sampling -- Congresses. : Current practices in ground water and vadose zone investigations / David M. Nielsen and Martin N. Sara, editors
Groundwater -- Sampling -- Technique. : Field sampling methods for remedial investigations / Mark E. Byrnes ; contributors, Donna M. Leydorf, David B. Smet
Marine sediments -- Sampling -- Mexico, Gulf of : On Scene Coordinator report, Deepwater Horizon oil spill, submitted to the National Response Team, September 2011 / [U.S. Dept. of Homeland Security, United States Coast Guard, Federal On-Scene Coordinator]
Soils -- Sampling -- Congresses. : Underwater soil sampling, testing, and construction control : a symposium presented at the seventy-fourth annual meeting, American Society for Testing and Materials. / E. D'Appolonia, symposium chairman
Soils -- Sampling -- Technique -- Handbooks, manuals, etc : Supporting sampling and sample preparation tools for isotope and nuclear analysis / preperaed by the Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture