TY - BOOK AU - Bhattacharya, D K. TI - Ecology and social formation in ancient history/ SN - 817074055X U1 - 304.2 PY - 1989/// CY - Calcutta : PB - K. P. Bagchi & Company KW - Human ecology -- History KW - Historical sociology KW - Human geography. KW - Social Evolution KW - Ecology KW - Ethnoarchaeology N1 - Includes bibliographical references and index; ER -