TY - BOOK AU - Arriaga, Eduardo E. TI - Direct estimates of infant mortality differentials from birth histor ies U1 - 305.232 ARR PY - 0000///[n.d.] CY - The Hague PB - International Statistical Institute KW - Children KW - Mortality KW - Infants N1 - Includes bibliographical references (p. 31) ER -