000 00294nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aLelf Johansen
245 _aProduction Functions
250 _a1
260 _aNEW YORK
_bNORTH-HOLLAND
_c1972
300 _a274
700 _a
_a
999 _c5927
_d5927