TY  - JOUR
A1  - Pearl, R.
JO  - Q J Microsc Sci
SP  - 46:509
EP  - 714,
C1  - 46:509-714, 49 figures
TI  - The movements and reactions of freshwater planarians: a study in animal behaviour.
UR  - https://marinespecies.org/turbellarians/aphia.php?p=sourcedetails&id=239218
VL  - 49
PY  - 1903
Y2  - 2026-04-18
ER  -