000 00309nam a2200121Ia 4500
008 180713s9999 xx 000 0 und d
020 _a085680101
082 _aRE-503
_bMAR-S
245 0 _aENCYCLOPEDIA
_b:SCIENCE AND TECHNOLOGY
260 _aLONDON
_bMARSHALL CAVENDISH
_c1973
300 _bHB
_a494
942 _cREF
999 _c6577
_d6577