00274nam a2200121Ia 4500 230718s9999||||xx |||||||||||||| ||und|| 620.112 PYTEL A STRENGTH OF MATERIALS 4 H C P 1987 SINGAPORE 554 0 0 0 0 CIV NMA NMA STACK1:ME:8A 1991-08-13 JAICO BOOK HOUSE BANGALORE 246.12 180 / 1991-08-02 0 620.112 09914 2000-01-28 00:00:00 2023-07-19 BK 20431 20431