000 00373 a2200157 4500
001 569
008
082 _a333.953416
084 _aQdd.11
100 _aIBPGR
245 _aAnnual report 1981
260 _aRome
_bIBPGR
_c1982
300 _axii, 119 s. : ill.
653 _aANNUAL REPORTS IBPGR
773 _tAGPG, IBPGR ; 82:19
999 _c11659
_d11659