00353nam a2200133 a 450000500170000002000150001708200170003210000060004911000340005524500360008926000450012530000250017050000240019520251203110726.0  a8173190097  a519.233bNON  d_  aSachdev, P.L. and Grundy,R.E.  aNon-Linear Diffusion Phenomenon  aNew DelhibNarosa Publishing Housec1994  aviii, 235p.c24cm HB  aIndo French Project