00349nam a2200133Ia 450000500170000008000180001724500300003526000460006530000160011150000400012758300190016794200120018699900170019820260716043100.0  a16.02.02 W927  aWorld resources 1990-1991  bOxford University PressaNew YorkUSc1990  axiv, 383 p.  aIncludes bibliographical references  c3/7/00kM2LMGR  cMmW927  c39973d39973