00441nam a2200121Ia 4500008004100000082001500041245008900056260004700145300000900192490006200201600002100263650003500284130903s9999 xx 000 0 und d a536.24 K8 aLaminar flow heat transfer in the thermal entrance region offlat and profiled ducts. aWageningenbH.Veenman and Zonen N.V.c1968 a83p. aMededelingen Land bouwhogeschool, Wageningen, 68-18(1968) aMuntjewerf, A.K. aHeat-transmission,Laminar flow