LDR 00512naa#a2200169#i#450# 001 EN\\bibl\1085 005 20241130224328.6 011 ## _a2073-0462 100 ## _a20140113b2014####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aSpring wheat productivity forecasting in the forest steppe zone of Volga by least squares method _eJournal article 210 1# _aKazan _cKazan state agrarian University _d2014 215 ## _a6 с. 608 ## _aJournal article _2local 700 #1 _aAvvakumov _gOleg 856 4# _azh-szf.ru _u