<h1>Engel, Albert Edward John</h1> <h2>Monograph from <a href="https://data.caltech.edu">CaltechTHESIS committee</a></h2> <ul> <li>Raychaudhuri, Bimalendu (1960) <a href="https://resolver.caltech.edu/CaltechETD:etd-06302006-083245">Studies of Amphibolites and Constituent Hornblendes From an Area of Progressive Metamorphism Near Lead, South Dakota</a>; <a href="https://doi.org/10.7907/V56J-JE76">10.7907/V56J-JE76</a></li> </ul>