TY  - BOOK
AU  - Hough,Walter Seneff
AU  - Mason,Albert Freeman
TI  - Spraying, dusting, and fumigating of plants: principles and applications
AV  - SB951 .H837
U1  - 632 
PY  - 1951///
CY  - New York
PB  - Macmillan
KW  - Pesticides
KW  - Insect pests
N1  - Rev. and enl. ed. of A. F. Mason's Spraying, dusting, and fumigating of plants, issued 1928; Bibliographical footnotes.  "Sources of materials and equipment used in plant protection": p. 699
ER  -