TY  - BOOK
AU  - Johansen, Oskar A.
AU  - Butt, Ferdinand H.
TI  - Embryology of insects and myriapods: : the developmental history of insects, centipedes, and millepedes from egg desposition to hatching
T2  - McGraw-Hill publications in the zoological sciences
U1  - 595.6 21st ed.
PY  - 1941///
CY  - London: 
PB  - McGraw Hill, 
KW  - Insects-Embryology
KW  - Myriapoda-Embryology
N1  - 416-62 includes index
ER  -