http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Shows how to determine an insect's sensitivity to differences in temperature by tracing its path of movement over two pieces of heavy paper, one warmed and the other chilled.
texto de Guillermo Solano Flores ; ilustraciones de Gerado Suzán.