TY - BOOK ID - 128614695 TI - Perspectives on environment : essays requested by the Panel on Environmental Education, Commission on College Geography AU - Manners, Ian R. AU - Mikesell, Marvin Wray AU - Association of American geographers PY - 1974 PB - Washington (D.C.) : Association of American geographers, DB - UniCat KW - Ecology. KW - Nature KW - Effect of human beings on. UR - https://www.unicat.be/uniCat?func=search&query=sysid:128614695 AB - ER -