@book{28487,
	author = {Bannerman, Harold MacColl, and Pecora, W. T.},
	title = {Training geologists:},
	year = {1950]},
	address = {[Washington,},
	note = {Reproduced with slight modification from an address delivered before the American Institute of Mining and Metallurgical Engineers in New York City, February 12, 1950. Cf. Pref.}
}