000 00309nam a2200109Ia 4500
008 161222s9999 xx 000 0 und d
082 _a537.622 ADV N89
100 _aEditor Z H Zaidi
245 _aAdvances in Physics and Materials
_cEditor Z H Zaidi
260 _aNew delhi
_bT and T Printers
_c1989
300 _a452
999 _c4507
_d4507