@book{14818,
	author = {Vogel-Prandtl, Johanna,},
	title = {Ludwig Prandtl - A personal biography drawn from memories and correspondence},
	url = {https://library.oapen.org/bitstream/20.500.12657/31848/1/624636.pdf||https://library.oapen.org/bitstream/20.500.12657/31848/1/624636.pdf||https://library.oapen.org/bitstream/20.500.12657/31848/1/624636.pdf||https://library.oapen.org/bitstream/20.500.12657/31848/1/624636.pdf}
}