| Biological rhythms : studies in chronobiology |
1977 |
Encyclopaedia Britannica Educational Corporation: Distributor | Indiana University Audio-Visual Center: Distributor |
0:22:23 |
16mm |
Color |
sound |
| Investigating Hibernation: The Golden-Mantled Ground Squirrel |
|
Encyclopaedia Britannica Educational Corporation: Distributor | Indiana University Audio-Visual Center: Distributor Encyclopaedia Britannica |
14 0:15:00 |
16mm |
Color |
sound |
| Social Insects: The Honey Bee |
1960 |
ENCYCLOPEDIA BRITANNICA EDUC. (FILM |
24 |
16mm |
Color |
sound |