00351nam a2200157Ia 4500008004100000020001800041082000800059082000800067100000600075100001700081245003700098260001100135260002100146260000900167999001700176240117s9999||||xx |||||||||||||| ||und||  a81-7371-033-3  aG/W  b530  ag  avenkataraman 0awhy are things the way they are?  amumbai  buniversity press  c1992  c15866d15866