000 00271pam a2200121a 44500
082 _a693.52
_bR835L
100 _aRudnai, Gyula
245 1 _aLIGHTWEIGHT CONCRETES
260 _aBudapest
_bAkademiai Kiado
_c1963
300 _a271
964 _gCIRC
997 _a34343 C
999 _c438826
_d438826