Pak, Gerrit Adriaan
Selection of trichogramma for inundative biological control /by Gerrit Adriaan Pak - Wageningen [s.n.] 1958 - 224 p.
116392
636.96 / PAK
Selection of trichogramma for inundative biological control /by Gerrit Adriaan Pak - Wageningen [s.n.] 1958 - 224 p.
116392
636.96 / PAK