000 00578nam a2200217 i 4500
001 C2-0028979
003 PPAK
005 20190630222021.0
008 970218s1981 waua|||| ||||| | eng d
040 _aPPAK
_beng
_cPPAK
_erda
082 0 4 _a500
_223
090 0 0 _a500
_bHID
_dR
245 0 0 _aHidden worlds
264 1 _aWashington :
_bNational Geographic Society ,
_c1981
300 _a104 pages :
_billustrations ;
_c27 cm
336 _2rdacontent
_atext
337 _2rdamedia
_aunmediated
338 _2rdacarrier
_avolume
650 1 0 _aVision ; Telescope
942 _ddc
_cB
999 _c5441
_d5441