WORLD Health Organization
Engineering aspects of vector control operations - Geneva WHO 1977 - 40 p. - WHO Technical report series 603 .
Includes reference.
9241206039
Vector control
WHO Technical report series 603
614.43 / WOR
Engineering aspects of vector control operations - Geneva WHO 1977 - 40 p. - WHO Technical report series 603 .
Includes reference.
9241206039
Vector control
WHO Technical report series 603
614.43 / WOR