TY  - JOUR 
T1  - MARKOV CHAIN MODELING OF ENDEMIC CATTLE DISEASES IN THE TROPICS OF MEXICO
JO  - Ciência Rural
A1  - Rojas, José Alfonso Barajas
A1  - Riemann, Hans
A1  - Franti, Charles
SN  - 0103-8478
UL  - 10.1590/S0103-84781993000300014
VL  - 23 
Y1  - 1993
PB  - Brasil 
ER  -