00327nam a2200121Ia 450000500170000008000180001710000240003524500470005925000230010626000410012930000160017058300190018620260716043049.0  a07.01.02 G536  aGittinger, J. Price  aEconomic analysis of agricultural projects  a2 ed. rev. and enl  bJohn Hopkins U.P.aBaltimoreUSc1982  axxi, 505 p.  c3/7/00kM2LMGR