TY  - GEN
AU  - Penn,Amos Benkov Kuan-chin
TI  - Factors which control encystment in Pleurotricha lanceolata
PY  - 1934///
CY  - [Naumberg, Saale
PB  - Lippert & Co.]
N1  - Tav. di studio SZN ; firma autore
ER  -