000 00331nam a2200145Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
020 _a81 309 04632
082 _a820.9
082 _bPET/B
100 _aBARRY
_bPETER
245 0 _aBEGINNING THEORY
260 _aNEW DELHI
260 _bVIVA BOOKS PRIVATE LIMITED
260 _c2007
999 _c5533
_d5533