000 00611nam a2200241Ia 4500
003 OSt
005 20221005101829.0
006 a|||||r|||| 00| 0
007 ta
008 221004b |||||||| |||| 00| 0 eng d
024 _a20539
037 _cTextual
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aG:53, L2
100 _aDasmann R F
_9333433
245 0 _aPlanet in peril? Man and biosphera today
260 _aUnesco
_bPenguin
_c1972
300 _a136 p.
_ccm.
650 _aBIOLOGY
942 _hG:53, L2
_cTEXL
_2cc
999 _c1007472
_d1007472