http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 videocassette (11 min.) : sound, color ; 1/2 in. + 1 discussion guide.
Shows the development of the fertilized salamander egg from a single cell to larva. Uses microphotography and animation to demonstrate the embryo's early cell division, the morula and the blastula phases of development, and the growth of the internal and external organs.