//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Chemical & Engineering News Published: (1942)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Introduction to Chemical Engineering by: Badger, Walter L., et al. Published: (1955)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Chemical engineering progress Published: (1947)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Chemical Engineering Science Published: (1951)