000 005810000a22001810004500
001 7170
010 _a0 620 21963 7
_b(brochado)
090 _a7170
100 _a19991107d1999 |||y0pory5003 ba
102 _aUS
200 _aHollow planets
_eA feasibility study of possible hollow worlds. Could the planets Mercury, Venus and earth possibly be hollow?
_fJan Lamprecht
210 _aAustin
_cWorld Wide Publishing Group
_d1998
215 _a596 p.
_d25 cm
300 _alivro doado por Fernando Oliveira
317 _aOrigem: IM
606 _aASTRONAUTICA
_zIM
675 _a
700 1 _aLamprecht
_bJan