"Menselijke ecologie. Sociale biologie." . . "Prirodna sredina." . . . . "Evolucija." . . . . . . . . "The biological environmental" . . "Evolution of the natural environment; Human evolution and the environment; Natural selection in man; Is man a machine?; Microbes and the environment; Conservation of the biological environment." . . . . . "The biological enviroinment"@en . "The Biological environment" . "The Biological environment"@en . . "The Biological environment : general editors John Lenihan and William W. Fletcher"@en . . . . . . . . . . . . . . . "The biological environment" . . . . . . . . .