LEADER 00000nam a2200133 a 4500 
001    16360308 
008                                             
020    0871203138 
050    LB2806.15. W54 1998 
100    Wiggins, Grant 
245  0 Understanding by design 
260    1998 
907    .b16360308|b10-06-15|c02-06-14 
945    |g0|i37522005527809|j0|on|p0.00|q-|r-|s-|t0|u1|v0|w0|x1
       |y.i16013025|z02-06-14|llsf 
998    ccq|b-  -  |cm|db|en|feng|gxx |h0