| Tag | Indicator | Content |
|---|---|---|
| 041 | ## | $aEnglish |
| 082 | ## | $a571.771 |
| 100 | 0# | $aStanley D. Beck |
| 245 | 00 | $aAnimal photoperiodism : relationship of daylength to animal growth, development, and behavior |
| 260 | ## | $aNew York $bHolt, Rinehart and Winston $c1963 |
| 300 | ## | $a124 p. $bfig. $c21 cm |
| 500 | ## | $aIncludes index. |
| 650 | 00 | $aANIMALS - Photoperiodism |