TY - BOOK ID - 134790818 TI - Biological conservation. PY - 1970 SN - 0030800498 PB - New York (N.Y.) Holt, Rinehart and Winston DB - UniCat KW - Nature conservation KW - Pollution KW - Wildlife conservation UR - https://www.unicat.be/uniCat?func=search&query=sysid:134790818 AB - ER -