Matthews, G. A. creator text London New York Longman 1982, c1979 monographic 336 p. : ill. ; 24 cm. [by] G.A. Matthews. Includes index. Bibliography: p. [307]-325. Pesticides Application Spraying and dusting in agriculture Spraying equipment SB953 .M37 1982 632/.94 0582463513 (pbk.) : 81005779 UOEL 000 20150331084241.0 1842194