1. Balashov, Y.S., 1972. Bloodsucking ticks (Ixodoidea): Vectors of diseases of man and animals. Misc. Publ. Entomol. Soc. Am., 8: 376p.
2. BarnardD.R., 1991. Mechanisms of host-tick contact with special reference toAmblyomma americanum (Acari: Ixodidae) in beef cattle forage areas. J. Med. Entomol., 28: 557–564.
3. BrowningT.O., 1976. The aggregation of questing ticks,Rhipicephalus pulchellus on grass stems, with observations onR. appendiculatus. Physiol. Entomol., 1: 107–114.
4. ColborneJ., NorvalR.A.I. and SpickettA.M., 1981. Ecological studies onIxodes (Afrixodes) matopi Spickett, Keirans, Norval-Clifford, 1980 (Acarina: Ixodidae). Onderstepoort J. Vet. Res., 48: 31–35.
5. ElizarovY.A. and VasewtaA.A., 1976. A distant orientation of blood-sucking ixodid ticks to the host's attractant factors. Parazit. Sb., 10: 136–141.