Reduced health services at under-electrified primary healthcare facilities: Evidence from India | PLOS ONE
Error: variable 'v.focal' was fitted with type "nmatrix.1" but type "numeric" was supplied · Issue #65 · hmsc-r/HMSC · GitHub
Spatial and temporal characteristics of spontaneous parametric down-conversion with varying focal planes of interacting beams | The European Physical Journal D
Sage Research Methods - Theory-Based Data Analysis for the Social Sciences
Sage Research Methods - Theory-Based Data Analysis for the Social Sciences
First-order analysis of zoom system based on variable focal power lens
Study 3 focal variable means and standard deviations as a function of... | Download Table
Lente Con Distancia Focal Variable Para Cámaras Digitales Fotos, retratos, imágenes y fotografía de archivo libres de derecho. Image 33413565