00265nam a22001097a 4500 65950 65947 660SHA Shallcross D Chemical engineering explained basic concepts for novics London United Kingdom 2018 572 BK 0 0 0 0 QUESTCL QUESTCL 2019-11-14 13647.00 0 660SHA 57710 2019-11-14 00:00:00 2019-11-14 BK