TY  - RPRT
TI  - The effect of embryonic development on the thickness of the eggshells of the coturnix quail
AU  - J.F. Kreitzer
PY  - 1972
DO  - 10.3382/ps.0511764
UR  - https://pubs.usgs.gov/publication/5221197
ID  - 5221197
ER  -