000 00317 a2200133 4500
001 1361
008
082 _a333.953416
084 _aQdd.11
245 _aAnnual report 1990
260 _aRom
_bIBPGR
_c1991
300 _a64 s. : ill.
653 _aANNUAL REPORTS IBPGR REPORTS
999 _c10942
_d10942