TY - BOOK AU - Johnson,Harry G. TI - Man and his environment T2 - Publications of the British-North American Committee SN - 0902594206 AV - GF43 .J63 U1 - 301.31 PY - 1973///] CY - [London] PB - British-North American Committee KW - Human ecology KW - Local N1 - 920316; Includes bibliographical references ER -