000 00248nam a2200097Ia 4500
008 230930s9999||||xx |||||||||||||| ||und||
100 _aEMICH, FRIEDRICH
245 0 _aENGINEERING CHEMISTRY
260 _aINDIA
260 _bSCIENTIFIC INTERNATIONAL PVT INC
999 _c9700
_d9700