TY  - BOOK
AU  - Harmer, S. F. (ed.)
AU  - Shipley, A. E. (ed.)
TI  - Cambridge natural history (vol-4): protozea, crustacea, trilebites, introduction to arachinda and king crabs eurypterida, scorpions, spiders, mites, ticks etc. tardigrada (water bears) pentastomida pycnogonida
T2  - 4
U1  - 590.01 
PY  - 1923///
CY  - London
PB  - Macmillan
KW  - Zoonosis
KW  - Zoology -- Animals
N1  - Reference - Handbook (Botany)
ER  -