Sistemna︠i︡a organiza︠t︡si︠i︡a de︠i︡atelʹnosti serd︠t︡sa mlekopita︠i︡ushchikh - ︠T︡Svetkov, V. D. (Viktor Dmitrievich) (Pushchinskiĭ nauch. ︠t︡sentr RAN, 1993)