1) "Modeling and Loop Compensation Design of
Switching Mode Power Supplies" https://www.analog.com/media/en/technical-documentation/application-notes/AN149fa.pdf
2) "Practical Feedback Loop Analysis for Current-Mode Boost
Converter" http://www.ti.com/lit/an/slva636/slva636.pdf
3) "Loop Compensation Design Case Study: Buck
DC-DC SwitchingConverter" http://web.cecs.pdx.edu/~tymerski/chap1.pdf