TY  - BOOK
AU  - Gnadinger, C B.
TI  - Pyrethrum flowers
SN  - 9788176220583
U1  - 632.951 
PY  - 1945///
CY  - Minnesota
PB  - McLaughlin Gormley King Co
KW  - Natural insecticides
KW  - Botanical pesticides
KW  - Economic botany
N1  - Includes bibliographical references and index
ER  -