000 00493nam a2200169 4500
001 6471/90
005 20130515014632.0
008 111112s9999 xx 000 0 und d
020 _ahard cover
050 _aQH366.2
_b.B43 1990
100 1 _a"beauchamp, wibur l. "
_915333
245 1 0 _ascience is explaining:
_b/
_c wibur.l. beauchamp
250 _a1 ed.
260 _a"usa :
_bscott, foresman and co.
_c."
300 _a", 384p.;
_c23 cm."
942 _2lcc
_cBK
_hQH366.2
_k.B43 1990
999 _c23829
_d23829