TY - BOOK AU - Poirier,Frank E. TI - Understanding human evolution SN - 0139358757 U1 - 573.3 PY - 1987/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Fossil hominids KW - Human evolution KW - Prehistoric peoples N1 - includes bibliographies and index ER -