TY - BOOK AU - Ulltang, O. TI - Methods of Measuring Stock Abundance Other than by the use of Commercial Catch and Effort Data: FAO Fisheries Technical Paper No.176 (FIRS/T176) PY - 1977///, CY - Rome PB - Food and Agriculture Organization KW - Fishing Survey KW - Tagging Experiments KW - Eggs and Larve Surveys KW - Acoustic Abundance Estimation KW - Standard Techniques ER -