TY  - BOOK
AU  - Pearson,E.O.
TI  - The development of internal boll disease of cotton in relation to ti me of infection / 
U1  - 633.51062 
PY  - 1948///
CY  - London : 
PB  - Empire Cotton Growing Corporation, 
KW  - Cotton
KW  - Diseases and pests
KW  - Cotton growing
KW  - Heliothis zea
N1  -  Includes bibiographical references and index
ER  -