TY - BOOK ID - 140377228 TI - Challenge for survival : land air and water for man in megalopolis AU - Dansereau, Pierre AU - Weadock, Virginia A. AU - Steere, William C. PY - 1970 PB - New York-London Columbia University Press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140377228 AB - ER -