TY  - JOUR
A1  - Frank, P.W.
A1  - Boll, C.D.
A1  - Kelly, R.W.
T1  - Vital statistics of laboratory cultures of Daphnia pulex DeGeer as related to density
Y1  - 1957
JF  - Physiological Zoology 
VL  - 30
SP  - 287
EP  - -305

ER  -