000 00270nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aGURUCHARAN SINGH & JAGDISH SINGH
245 _aMATERIALS OF CONSTRUCTION
250 _a1
260 _c1979
_b"STANDARD BOOK SERVICES, DELHI"
999 _c8333
_d8333