TY - BOOK ID - 127928259 TI - Understanding the environment PY - 1982 SN - 0205072658 PB - Boston (Mass.) : Allyn and Bacon, DB - UniCat KW - Environmental policy. KW - Human ecology. KW - International economic relations. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127928259 AB - ER -