000 00289nam a22001217a 4500
082 _a691
_bNOV
_cL-21. P-61
245 _aTesting of Bulding Materials and Structures
_cM. Novgorodsky
250 _a1st
260 _aRussian
_c1973
300 _aP-323
_bill.
_c15cm
650 _aMCE
942 _cBK
999 _c9294
_d9294