TY  - JOUR
A1  - Stephens, R.E.
T1  - Studies on the development of the sea urchin Strongylocentrotus droebachiensis. I. Ecology and normal development
Y1  - 1972
DO  - 10.2307/1540251
JF  - Biological Bulletin
VL  - 142
IS  - 1
SP  - 132
EP  - -144

ER  -