TY - BOOK ID - 136849234 TI - Five economic challenges. AU - Heilbroner, Robert L.. AU - Thurow, Lester C.. PY - 1981 PB - Englewood Cliffs (N.J.) Prentice Hall DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136849234 AB - ER -