Barrett M.A. Milk and beef production in the tropics / M.A.Barrett ; P.J.Larkin . - Great Britain : Oxford University Press, 1974 . - xiv-245p. : Couv.ill.en coul. ; 21 cm Author Index Subject Index ISBN: 0 19 859445 3 Source: 103980 Universal Decimal Class. No.: 637.1.