Correlation between antibodies to Cowdria ruminantium (Rickettsiales) in cattle and the distribution of Amblyomma vector ticks in Zimbabwe - Vries, N.; Mahan, S. M.; Ushewokunze-Obatolu, U.; Norval, R. A. I.; Jongejan, F. (Springer, 1993)
http://dx.doi.org/10.1007/BF00225853
Keywords: W