References

Gibson, E.J. & Walk; R.D. (1960). The "vi- sual cliff." Scientific American, 202 (4), 64-71.
Gibson
4
64
202
Scientific American
1960
Marchioni, W. (1978). Animal behavior in- vestigations for high school students. The American Biology Teacher, 40 (8), 487-496.
Marchioni
8
487
40
The American Biology Teacher
1978
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