000 00271nam a2200109Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
041 _aeng
082 _bT18 GEL
_a511.8
245 0 _a Introduction to mathematical modeling
_b: 3g learning
260 _c2018
942 _cBK
999 _c10622
_d10622