000 00389nam a2200145Ia 4500
008 211230s9999 xx 000 0 und d
020 _a0 85334 485 x
040 _cJayakar Knowledge Resource Centre
100 _aLead In The Environment
245 0 _aLead in the environment
250 _a1st
260 _bApplied Science
_aBarking, Essex
_c1972
300 _aix,82p. p.
942 _c1
999 _c277040
_d277040