00684pam a2200217 i 45000010008000000030008000080050017000160080041000330100017000740200015000910400031001060500015001370820016001521000021001682450089001892600039002783000033003175040039003506500042003897000035004311261311BD-DhUL20160315082335.0741127s1975    nyua     b    001 0 eng    a   74018064   a0060438614  aDLCcBD-DhULdDLCdBD-DhUL00aH61b.L34200a300.15bLAI1 aLave, Charles A.13aAn introduction to models in the social sciences /cCharles A. Lave, James G. March.  aNew York :bHarper & Row,cc 1975.  aix, 421 p. :bill. ;c24 cm.  aIncludes bibliographies and index. 0aSocial sciencesxMathematical models.1 aMarch, James G.ejoint author.